New Delhi, Jan. 13 -- As competition intensifies in instant grocery delivery, Tata group-owned BigBasket is reworking its dark store network and offering discounts based on how individual stores perform on order volumes.

Dark stores reporting lower volumes offer steeper discounts to boost demand, while high-volume stores reduce discounts for the same items and quantities.

About a year ago, in early 2025, BigBasket began revamping its dark stores into IBBN (Integrated Big Basket Now) stores, according to two people with direct knowledge of the matter. These stores are larger and stock significantly more products than traditional dark stores. Both sources declined to be identified.

This was a part of the company's larger plan to double d...