Swiggy Instamart vs BigBasket in Kolkata

Kolkata's quick commerce landscape compared. 29 vs 31 stores, head-to-head.

Swiggy Instamart
29

stores

13.2% share · 18 areas

BigBasket
31

stores

14.1% share · 29 areas

Swiggy Instamart and BigBasket are effectively tied in Kolkata - 29 stores to 31.

Coverage map

Each platform's dark store footprint in Kolkata, projected to the same bounds for honest spatial comparison.

Swiggy Instamart 29
BigBasket 31
Projected from live coordinates · 2026-07-08

Head to head

Metric Swiggy Instamart BigBasket
Total stores 29 31
Neighbourhoods covered 18 29
Average stores per area 1.6 1.1
Densest area Raja Bazar Gariya
Stores in densest area 10 2
Market share 13.2% 14.1%
Exclusive neighbourhoods 12 23

Where each platform concentrates

Top 10 neighbourhoods by total store count

Area Swiggy Instamart BigBasket Total
Raja Bazar 10 0
11
Garia 3 0
3
Joka 1 0
2
Taltala 1 0
2
Behala 1 0
2
Kasba 1 0
2
Narendrapur 1 0
2
Gariya 0 0
2
South Dum Dum 0 0
2
Nazirabad 1 0
1

Coverage gaps

Neighbourhoods where each platform operates exclusively. 6 neighbourhoods served by all platforms in this comparison.

Only Swiggy Instamart

12
  • Garia 3 stores
  • Nazirabad 1 store
  • Paschim Putiary 1 store
  • Topsia 1 store
  • Ballygunge 1 store
  • Kankurgachi 1 store
  • Lake Town 1 store
  • Park Street Area 1 store
  • Rajarhat 1 store
  • Kamardanga 1 store
  • Ariadaha 1 store
  • Ward Number 109 1 store

Only BigBasket

23
  • Gariya 2 stores
  • South Dum Dum 2 stores
  • Santoshpur 1 store
  • Baguiati 1 store
  • Baranagar 1 store
  • Belghoria 1 store
  • North Dum Dum 1 store
  • Jadavpur 1 store
  • Tollygunge 1 store
  • Pancha Sayar 1 store
  • Purba Putiari 1 store
  • Dumdum 1 store
  • + 11 more

The coverage gaps roughly balance - each platform reaches a handful of neighbourhoods the other misses.

About the platforms

Swiggy Instamart

Parent
Swiggy
Founded
2014 (Instamart: 2020)
Headquarters
Bangalore, Karnataka
Total stores
1,038

BigBasket

Parent
BigBasket (a Tata Digital company)
Founded
2011 (BigBasket: 2022)
Headquarters
Bengaluru, Karnataka
Total stores
664

About Kolkata

Kolkata is a Tier 1 metro and one of India's most active quick commerce markets. It has 220 dark stores across 120 neighbourhoods from the three major platforms.

What this means for you

Swiggy Instamart and BigBasket cover largely different neighbourhoods in Kolkata. Swiggy Instamart is the only option in Garia and Nazirabad, while BigBasket is the only option in Gariya and South Dum Dum. Swiggy Instamart packs more stores per area on average (1.6 vs 1.1), which usually means faster delivery in its core neighbourhoods. Swiggy Instamart's flagship neighbourhood is Raja Bazar (10 stores); BigBasket's is Gariya (2).

About this comparison

Data current as of 2026-07-08. Store counts, area coverage, and exclusive-area calculations are based on our most recent data refresh. Methodology → · Report incorrect data →

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Cite this page

QuickCommerceMap. (n.d.). “Swiggy Instamart vs BigBasket in Kolkata.” Apexlayer Technologies. Retrieved , from https://quickcommercemap.com/compare/kolkata