RERA registered — Tower TB 'Silas' (Phase 2) P51900054455 (possession Mar 2029) · 44 floors, committed in the CC and the agreement (no tower-level inflation) · analysed against the registered documents, the agreement for sale, and Rexray field analysis
Livability
6.1/10FairPillar score is the average of the scored attributes below; some attributes are qualitative and carry questions rather than a number.
Compound Density6/10
No rehab — but a large commercial estate shares the compound, and it's growing.
- There's no rehabilitation housing on the plot — a clean residential cohabitant profile.
- The offset is commercial: about 33,000 sqm of it (a ~9-floor retail tower plus the existing Birla Centurian office) shares the compound, driving weekday footfall, parking and water draw, and it's absent from the marketing.
- And it grows — ABREL's own 10-acre northern parcel (~42,000 sqm residual) is most likely to add further commercial and residential, so the on-compound density is on an upward trajectory.
- The large land area dilutes it, but it's a real and rising load.
How we scored this
6/10
backbone (no rehab) - heavy-commercial modifier, + large-plot dilution
- rehab: none · registered documents
- BN-F05, flagged IPD driver: 33,347 sqm · registered documents
- retail tower: ~9 floors (Wing TC) · registered documents
- birla centurian: existing office (Wing B) · registered documents
- mhada sublot: 3.24 ac, government · registered documents
solid
Fixable? Compound composition is fixed at construction — no developer or legal lever. This is the compound the buyer permanently shares; it does not change.
Understand “Compound Density” on the X-Ray page ↗Neighbourhood3/10
A choked road and a three-vector mega-pipeline reshaping the surroundings.
- Pandurang Budkar Marg is already saturated (Lodha Park, Ikea, Kamala Mills, Raheja Altimus, Omkar SRA all feed it), and three mega-developments are closing in: Sumitomo's 22-acre estate to the east, ABREL's own 10-acre parcel to the north, and a Lodha ~4-acre parcel north of the Development Plan road.
- The dominant harm here is density and a choked road — the surroundings are being reshaped over the next decade.
How we scored this
3/10
surrounding mega-pipeline density x choked-road loading
- sumitomo: 22ac ~1M+ sqm GFA · registered documents
- abrel north: own 10ac parcel · registered documents
- lodha 4ac: ~4ac parcel · registered documents
- road: PB Marg — choke (Lodha Park/Ikea/Kamala Mills/Raheja Altimus/Omkar SRA) · Rexray analysis
solid
Fixable? Surrounding development and the access road are outside the developer's control. The lever is honesty about the neighbourhood's trajectory by 2032, not a fix.
Understand “Neighbourhood” on the X-Ray page ↗Peak-Hour Connectivity2/10
The worst in South Mumbai, and worsening.
- Connectivity is the worst in South Mumbai.
- It's about 22 minutes to the coastal-road on-ramp at 11am today, and it degrades toward 28–33 minutes by 2032 as Pandurang Budkar Marg — already at the limit — absorbs the Sumitomo development on the same route.
- On a worked example, the last-mile out can take longer than the Sea Link ride itself.
How we scored this
score = band(peak minutes to nearest fast-artery on-ramp); future = today x (SRD pipeline · road headroom)
- GMaps 11am -> Godrej Bay View: 22 min · Rexray analysis
- road headroom: PB Marg choke + Sumitomo 22ac on the route; worked example: last-mile > the Sea Link ride · Rexray analysis
- directional band, not a measured future time: x1.3-1.5 · Rexray analysis PROJECTION
today verified (measured); future is a directional projection from the SRD pipeline
Fixable? Builders like to sell connectivity as kilometres from a landmark — but the real test is time, not distance: how long you would actually be stuck, at peak hour, just getting to a fast arterial like a Sea Link or Coastal Road on-ramp. The access route and the on-ramp are municipal and outside the developer's control, so there is no fix to offer — only an honest read of the peak-hour reality today and the area's trajectory by 2032, once the surrounding pipeline has built out.
Understand “Peak-Hour Connectivity” on the X-Ray page ↗Kitchen Ventilation9/10
Passes — a dedicated chimney exhaust to the outside, all unit types.
Kitchen ventilation passes cleanly: a dedicated chimney exhaust to the outside (kitchen to a utility with an external window), across all four unit types.
How we scored this
9
PASS=9 · conditional=8 · WARN=6 · FAIL=3 (FAIL=HIGH severity at ₹10Cr+)
- kitchen→utility→external window, all 4 unit types: PASS · registered documents
sealed from floor plan
Fixable? clean external air path — no fix needed
Understand “Kitchen Ventilation” on the X-Ray page ↗Lift Wait9/10
Both towers grade A.
- Lift provisioning is strong on both towers.
- Silas runs four homes per floor on six passenger lifts for a peak interval of about 20 seconds — Grade A.
- The topped-out Tower A (a 78-floor tower on seven passenger lifts plus a service and a fire car) is also Grade A at about 25 seconds, borderline only at the slowest assumed speed.
The wait, at peak rush hour: about 20 seconds on Silas — Grade A, four homes per floor on six passenger lifts. (The topped-out Tower A is also Grade A, ~25s, on seven lifts plus service and fire.)
How we scored this
CIBSE (Chartered Institution of Building Services Engineers) Guide D: RTT=2·(0.8N·f2f/speed·1.15)+S·13; S=N·(1−((N−1)/N)^P); interval=RTT/lifts ÷ DCEF
- from total floors − podium: 40 · registered documents
- passenger lifts: 6 · Rexray analysis
- units per floor: 4 · Rexray analysis
- ≈ ceiling + slab: 3.7 · Rexray analysis assumption
- spec unconfirmed — sensitivity band: 4–6 m/s · Rexray analysis assumption
grade robust to loading (P=4–6); lift-speed spec is the swing for the tallest towers
Fixable? clean Grade A — no fix needed
Understand “Lift Wait” on the X-Ray page ↗Water Adequacy7/10
Passes on what we have — but the commercial water load is unquantified.
- Water adequacy passes on the conditions we can see, with no charge escalators.
- The open question is the large commercial estate's water draw, which isn't yet quantified against the parent approval — confirm the commercial provisioning is sized, and this firms up further.
Fixable — Confirm commercial provisioning against the parent the building approval; firms to 8 if sized.
Understand “Water Adequacy” on the X-Ray page ↗Parking7.0/10
Tandem parking in the basement - bays sit two-deep
- The agreement's car-park schedule names the type outright: tandem bays in the second basement, allotted through the society after conveyance.
- You drive to them, but two-deep means the inner car is blocked until the outer one moves.
The podium is shared with a retail tower, so also check how visitor and retail traffic mixes with resident parking.
Understand “Parking” on the X-Ray page ↗Build Planning & Qualitynot yet scored
A checklist to verify with the builder — Rexray will score this attribute as the field database grows.
Rexray's database will, over time, be enriched with the attention to detail and quality ethos of each builder. For now, below is the checklist you should verify with the builder before you decide.
What to ask the builder- Who's the architect, and what comparable have they delivered?
- Do the lobbies need lights during the day?
- Gym/pool/lobby sized for how many residents? (gym sqft / residents)
- Does this unit's layout meet your Vastu requirements (entry, kitchen, master)?
- Can a fire tender or an ambulance reach the lobby?
- Who is actually building it?
- Mivan or conventional — and how are the tie-holes grouted and cracks controlled?
- What's the realistic floor-cycle, and how does the monsoon factor in?
- Which steel/cement? Facade glazing spec? MEP contractor? STP/solar?
- Which marble/fittings exactly? Which window system? VRV brand?
- Deck/bathroom waterproofing system? How's the facade sealed into the structure?
- Gypsum or block internal walls — and are the party walls insulated?
- Does the back-up generator power my whole flat, or only the common areas?
- Is the parking solo, tandem, or a mechanical stack — and how wide are the bays?
Understand “Build Planning & Quality” on the X-Ray page ↗Communityqualitative
A homogeneous, high-end, large-unit profile (Silas).
- On a field read, the Silas tower is a homogeneous, high-end, large-unit profile — a single owner-occupier gentry, no rehab cohabitants.
- The community variable here isn't the building; it's the growing commercial estate and the surroundings around it.
What to ask the builder- What is the ticket-size range in the building — the gap between the cheapest and the most expensive home?
- Is the building vegetarian-only, or skewed to a single community?
- Is it owner-occupied, or investor- and tenant-heavy?
- What is the pet policy?
Understand “Community” on the X-Ray page ↗
Findings register
31 findings · severity-ranked
Every marketed claim set against the documented fact, sourced. Critical and high first.
CRITICAL
floor area (FSI) exhausted on that land parcel — TD and clubhouse contingent on MCGM amalgamation
MarketedClubhouse and future towers presented as project amenities
DocumentedThe RERA plot's floor area (FSI) is fully consumed; the clubhouse and Tower TD legally sit on a parcel not yet amalgamated
The amenity centrepiece buyers are sold sits on land that isn't part of their project yet.
Source: registered documents, government filings
CRITICAL
Three-vector surrounding density: Sumitomo east, ABREL north, Lodha north, BDD southwest
MarketedOpen mill-land horizons
Documented22ac Sumitomo (~1M sqm GFA) east; ABREL's own 10ac (₹14,000 Cr GDV intent) north; Lodha ~4ac north; BDD 43 towers SW
Every compass arc around this project has a confirmed mega-development attached to it — one of them owned by the seller.
Source: government filings, Rexray analysis, secondary sources
HIGH
33,347 sqm commercial BUA on compound — absent from all marketing
MarketedResidential sanctuary framing
DocumentedOver 33,000 sqm of commercial space shares the compound
A third of a million square feet of offices and retail live invisibly inside the 'residential' compound.
Source: registered documents, marketing
HIGH
Wing TC retail tower (~9 floors) suppressed in marketing
Documented~9-floor retail tower on compound, unmentioned
The retail tower exists on the plans and nowhere in the brochure.
Source: registered documents, marketing
HIGH
Clubhouse not on the RERA plot — contingent on that land parcel/1546 amalgamation
MarketedClubhouse as flagship amenity
DocumentedIf amalgamation fails, the clubhouse buyers paid premiums for is on someone else's plot
The clubhouse is an amenity promise secured by a pending municipal approval, not by the buyer's contract.
Source: registered documents, government filings
HIGH
Tower TD — builder verbal only, not RERA registered
MarketedTD presented verbally as 50 floors next phase
DocumentedNo registration exists; TD is intent, not project
A 50-floor neighbour exists in sales conversations but in no regulatory filing.
Source: Rexray analysis, government filings
HIGH
Both Development Plan access roads proposed, not existing
DocumentedDevelopment Plan relief roads unbuilt; PBM carries everything meanwhile — verify-as-constructed principle applies
The traffic relief the location story depends on exists only as lines on the development plan.
Source: government filings
HIGH
Social Club sits in the Land Owner's retained area — not freely conveyed to the society
MarketedClub marketed as a project amenity
DocumentedClub on floors 4–7 of the Retail Building (Wing TC); transfer to Apex Body only 'on reasonable terms and conditions as decided by the Land Owner'; Retail Building is in the retained area on its own independent timeline
The flagship club is (a) contingent on a building not yet built, (b) on land the buyers will never own, (c) accessible on terms the seller decides.
Source: registered documents
HIGH
Phase 2 floor area (FSI) declared ~58,074 sqm — arithmetically confirms that land parcel exhaustion
Marketed'~58074.41 sq. mtrs' for Phase II
DocumentedCombined with Phase 1, the RERA plot's floor area (FSI) is exhausted — the documentary proof behind BN-F04
The the agreement itself supplies the number that proves the clubhouse and Tower TD must live on other land.
Source: registered documents
HIGH
Retail Building explicitly confirmed in the agreement — common podium with Tower TB
DocumentedWing TC retail confirmed contractually; shares a podium with the residential tower
The retail tower the marketing hides, the contract confirms — wall to wall with the homes.
Source: registered documents
HIGH
Lodha ~4-acre parcel north of Development Plan road closes TB's last open corridor
DocumentedCS number / RERA verification pending — flagged HIGH priority
The one direction still open from Tower TB has a Lodha parcel waiting on it.
Source: Rexray analysis
HIGH
~42,000 sqm residual capacity on the 10-acre parcel beyond Tower TD
DocumentedEnough residual for another ~40+ floor tower the marketing never mentions; upside scenario if floor area (FSI) schemes increase further
Even after the verbal Tower TD, the promoter's northern parcel holds another unannounced tower's worth of floor area (FSI).
Source: Rexray analysis, government filings
HIGH
RHARC: PBM already LOS E–F; 5 choke points; Sumitomo adds 10,000+ PCU
DocumentedNear-gridlock today, before the surrounding pipeline lands; Development Plan relief roads 3+ years out
The commute is already failing and every confirmed neighbour makes it worse before any relief road exists.
Source: Rexray analysis, government filings
HIGH
Tower TA buyers signed during the active Wadia title dispute — settlement undisclosed
DocumentedTA the agreement simultaneously gave buyers' pre-consent to future development on the same disputed parcel
Buyers consented in advance to development on land the promoter was still fighting over — and were never told about either half of that sentence.
Source: registered documents, secondary sources
MEDIUM
Brand ≠ Promoter — BEPL markets, ABREL signs
MarketedBirla Estates branding throughout
DocumentedABREL (the listed land owner) is the RERA promoter and the agreement counterparty; BEPL is development manager only
The brand on the brochure is not the company on the contract — though here the actual counterparty is the stronger entity.
Source: registered documents, marketing
MEDIUM
DMA termination trigger if BEPL loses subsidiary status
DocumentedCorporate restructuring of BEPL could terminate the development management arrangement
A corporate-event tripwire sits under the brand relationship buyers think they're buying.
Source: registered documents
MEDIUM
Wing B / Birla Centurian retained existing commercial — not disclosed
DocumentedExisting commercial building retained on compound
Existing office traffic is part of the compound's permanent daily reality.
Source: registered documents
MEDIUM
MHADA 3.24-acre sub-lot within compound — government controls use
DocumentedA 3.24-acre piece of the compound answers to MHADA, not the society
Part of the compound's future is in the government's hands, not the residents'.
Source: registered documents, government filings
MEDIUM
Foster+Partners = concept/brand only; P.G. Patki is architect of record
MarketedFoster+Partners design positioning
DocumentedExecution architect is P.G. Patki; Foster role is concept/brand
The starchitect premium is for a concept credit, not the working drawings.
Source: registered documents, marketing
MEDIUM
CTIL renamed ABREL effective September 2024
DocumentedSame CIN, continuous entity — documentation should be read across both names
Name changed, company didn't — diligence must span both labels.
Source: government filings
MEDIUM
Possession: 31 March 2029 registered vs Dec 2028 marketed — 15-month gap
MarketedDecember 2028 (marketing/brokers)
DocumentedRegistered commitment is 31 March 2029 — 15 months after the date buyers were quoted
The date in the brochure and the date in the contract are over a year apart.
Source: registered documents
MEDIUM
Phase 2 ICICI mortgage — No-Objection Certificate issued for TB-3104 specifically
DocumentedReference unit released; sale proceeds must route to the ICICI account; other TB buyers must verify their own unit No-Objection Certificate at registration
This unit is clear of the lender's charge — every other buyer needs to check theirs.
Source: registered documents
MEDIUM
Maintenance ₹91,034/month advance — no long-term cap; FM company at Land Owner's discretion
DocumentedLand Owner appoints/replaces the facility manager at discretion until Apex Body conveyance
After year two, the running cost of the building is whatever the seller's chosen manager says it is.
Source: registered documents
MEDIUM
Future towers / amalgamation consent bundled into the agreement
DocumentedBuyer pre-consents to future towers on the Larger Property and to amalgamation of adjacent plots — the structural pre-consent behind the BN-F04/F27 risks
Buyers signed permission for everything the promoter's 30-acre, ₹28,000 Cr footprint might become.
Source: registered documents
POSITIVE
Freehold + listed company — best title in portfolio
Documented57,517 sqm freehold held by a 127-year-old listed company
The cleanest land story in South Mumbai.
Source: registered documents
POSITIVE
PBM frontage is a genuine 24.40m existing road
DocumentedNot a private ROW — contrast with K1's access finding
Unlike K1, the front door here is a real public road.
Source: government filings, Rexray analysis
POSITIVE
Floor count 44 floors committed in Commencement Certificate and the agreement — Clause 29 lets Land Owner change
DocumentedCommitted height with a contractual change reservation held by ABREL
A committed floor count — with the caveat that the promoter wrote itself permission to change it.
Source: registered documents
POSITIVE
RERA Phase 2 registration confirmed — P51900054455 (25 Jan 2024)
DocumentedCloses the Chat 1 pending item — Phase 2 is properly registered
The Tower TB registration is real, current, and runs to March 2029.
Source: registered documents, government filings
POSITIVE
Commencement Certificate for 44 floors confirmed Feb 2025; revalidated to 12 Aug 2026
DocumentedThe committed 44-floor envelope is fully sanctioned and the Commencement Certificate is live
The approval chain here is what a clean one looks like — contrast with the corpus's lapsed-Commencement Certificate cases.
Source: government filings
POSITIVE
KVF PASS — chimney with dedicated outside exhaust per Fourth Schedule
DocumentedKitchen ventilation is contractually specified, not inferred
The exhaust path is in the schedule of the agreement itself.
Source: registered documents
POSITIVE
Genuine deferred payment structure — 70% at OC
DocumentedBuyer retains ~₹21.48 Cr liquid until possession (Mar 2029, 3+ years) — favourable cash flow
Rare in this corpus: a payment plan that keeps the buyer's money on the buyer's side until the keys exist.
Source: registered documents