Gog I think is drm free, so no steam.
Ricky sir as always !!ota Pro, BF4 is currently on 50% off sale on Origin (Titanfall as well) -
BF4 - Rs.999
BF4 D. Deluxe - Rs.1250
https://www.origin.com/en-in/store/deals/pages/halloweentreatsale