Depends on the place. Delhi and Mumbai have a higher cost of living. You can still get a 1BHK for 15000 if you would like to share with another guy. A chicken biriyani may cost Rs.200 in Delhi, whereas it will be Rs.150 in Bangalore, Rs.120 in chennai, Rs.100 in Hyderabad and Rs.60 in Rural areas. You can get some subsided food in my state for Rs.2. In my state, every month you are given 20 kg of free rice, 4 kg of wheat for free. Palm oil, dal and sugar costs around Rs.105. However if you want to decent quality, It starts with Rs.40 and go until Rs.200 (Basmati). You can survive in India under Rs.7K if you have a ration card, you need to allocate Rs.3K for rent though, Remaining for food and other expenses. Water is free, electricity is free until 100 units.