Short version:
On Visa Signature and Mastercard World cards on Exclusive/Select, Lounge access devalued from 2 per quarter to 1. Major devaluation on BigBasket discount (20% off upto Rs 500 per month -> 10% off upto Rs 150 per month)
. BMS BOGO devalued from 3 per quarter to 2. For Visa Signature Exclusive, BMS Events/Theatre/Concerts discount removed (now only Movies). Only Pioneer and higher DCs now have BMS BOGO on Events as well.
On Visa Platinum on Exclusive/Select: Rewards program discontinued entirely and existing RPs devalued from 1 RP=0.35 to 0.15. Only BMS and lame BigBasket discount present. Visa Gold: Rewards program discontinued