How expensive is it to live in Bangalore?

It depends on where you live, what kind of lifestyle you want. But here is a basic breakdown
Considering you are living in a 2BHK with your partner/friend. Rent - 40k/month (20k per person) Maid - 2.5k/month (1.25k per person) Cook - 7k/month (3.5k per person) Wifi - 699/month(100Mbps)(349 per person) Mobile - 300/month for 1 person Groceries - 15k/month (7.5k per person) Electricity- anything between 2k-3k total(1.25k per person) Travel depends on how far you are living from the office. But to give you a real life example- it cost 600rs for me to travel 9km(one way). Rest is your weekend enjoyment and other fun, so thats up to you.

Expenses have no limit but I am listing basic needs 🏡 House - 10-15 K 🍜 Food - 6-8 K 🛜 Wifi + Mobile - 1K 🚍Commute- 1K

Extra 5K for other expenses

Note: Your office location, Food habit and lifestyle can move expenses up or down significantly