Neighbourhood Intelligence · Spec Sheet

Sheet 01 · IT Corridor · PIN 600042

Velachery

8/8 dimensions · scored 22 Sep 2026

Composite index

55C+

NQI · weighted mean of 8 of 8 dimensions.

First-pass area assessment · reflects this PIN, not a specific building or street.

In short

Below Average

Below the tracked-area average, compare nearby areas before committing.

Guideline Value? · official government valuation

₹13,200–₹13,200per sq ft · mid band for Chennai
Premium
Upper
Mid ▲
Modest
Value

Market prices run above the guideline value, expect roughly ₹15,800–₹21,100/sq ft in practice. Indicative government valuation, not a market quote; does not affect the score.

AIR = LIVE FEED (daily) · all other channels estimated, gov. reports verified 2023–24

Dimension readout · weight = exact contribution to the 55

Safety
Greater Chennai Police / Tambaram City Police · est. 2026
25%

326 crimes reported, safer than 41% of tracked Chennai areas (moderate tier).

62
Infrastructure
CMDA Master Plan · Chennai Metro Rail · est. 2024
20%

0 operational metro station(s) · medium highway access · residential zone.

55
Air Quality
CPCB / TNPCB live AQI · updated daily
15%

AQI ~195, Moderate, Okay for healthy people; asthma/heart/lung patients should limit long outdoor exertion.

55
Schools
CBSE / state board affiliation records · est. 2026
10%

9 CBSE school(s) mapped to this pin.

64
Power
TANGEDCO · est. 2025
10%

Poor reliability · ~3.2 outage hrs/month via TANGEDCO (Tamil Nadu Generation and Distribution Corporation).

40
Water Supply
CMWSSB (Metrowater) supply & quality · est. 2026
8%

4 hrs daily supply · High TDS · 47% piped coverage.

39
Roads
GCC / CMDA road surveys · est. 2026
7%

Good condition · ~2.1 potholes/km · last resurfaced 2021.

71
Drainage & Sewerage
GCC drainage & waterlogging records · est. 2026
5%

high monsoon waterlogging risk, ~5 flooding incidents a year.

42

Inspection Notes

✕High monsoon waterlogging risk, ~5 flooding incidents a year.
✕Only limited daily water supply, budget for filtration/tankers.

Comparison

AreaNQICrimeAirWaterSewerage
Velachery (this one)5562553942
Perungudi5258531351
Guindy6167587268
Thoraipakkam5259541452
Adyar5864576965

Velachery leads its nearest neighbour Perungudi on the composite index.

Detailed Readings

Safety?

Total crimes?
326
Safety score?
62/100
Safer than?
41%
Crime tier?
Moderate
Source year?
2022–23

Air Quality?

AQI?
195
Category?
Moderate
Score?
55/100

Power Supply?

Discom?
TANGEDCO (Tamil Nadu Generation and Distribution Corporation)
Reliability?
Poor
Avg cut hrs?
3.2 /mo
Score?
40/100

Connectivity & Infrastructure?

Zone?
Residential
Metro nearby?
0
Metro planned?
1
Highway?
Medium
Smart city?
No
Infra score?
55/100

Water Supply?

Daily supply?
4 hrs
Quality?
High TDS
Coverage?
47%
Complaints?
79/1k
Quality score?
2/5

Roads?

Condition?
Good
Potholes/km?
2.1
Connectivity?
Medium
Authority?
CMWSSB
Last resurfaced?
2021
Quality score?
3/5

Drainage & Sewerage?

Sewer coverage?
53%
Treatment?
Partial
Waterlogging?
High risk
Open drains?
Yes
Flood incidents?
5/yr

Schools · 9 mapped

D.A.V. Public School, VelacheryBoard not confirmed
Marg VidhyalayaBoard not confirmed
Bethel Matriculation Higher Secondary SchoolMatriculation (Tamil Nadu)
Ponvidyashram Group of Senior Secondary SchoolsBoard not confirmed
Mount Carmel Matriculation SchoolMatriculation (Tamil Nadu)

Methodology · Data Sources

Safety25%Greater Chennai Police / Tambaram City Police · est. 2026EST
Infrastructure20%CMDA Master Plan · Chennai Metro Rail · est. 2024EST
Air Quality15%CPCB / TNPCB live AQI · updated dailySTORED
Power10%TANGEDCO · est. 2025EST
Schools10%CBSE / state board affiliation records · est. 2026EST
Water Supply8%CMWSSB (Metrowater) supply & quality · est. 2026EST
Roads7%GCC / CMDA road surveys · est. 2026EST
Drainage & Sewerage5%GCC drainage & waterlogging records · est. 2026EST
Scored 22/09/2026. Area-level, the same for every unit in this pincode.

Scope, this measures neighbourhood livability from government sources. Not a substitute for legal, title, or physical verification of a specific property.

Data aggregations for informational and research purposes only, not real-estate, legal or financial advice. Most figures are estimated from government reports last verified 2023–24. Do not rely solely on these scores for a purchase decision.

How this is built, scores combine the cited public-record data above with a zone-level model - pincodes in the same zone often share a baseline with only a small adjustment between them, so two nearby addresses can land close together or identical on most dimensions. Named school detail, where listed above, is the one part sourced locality by locality rather than by zone.