For house on rent, you can live in a 2 bhk flat in 8k per month, if u have family. And u can also live with others in the same flat by sharing if u are bachelor then rent will be 2.5k
for food if u prepared by yourself then if may cost 2k approx per month
if u eat out side at hotel then it will cost 3–4k per month according to your taste and choice.
hope u can understand my answer.