A2A. I think you should have read my other answers before wasting your 1500 credits on this A2A request. Here is a repeat of my previous answer to a similar question. Brijesh Kumar's answer to What is the placement and package scenario for an M.Tech ECE from IIT?
Don't count your chickens before they hatch. "Ped lagaya nahin, aam kitne milenge pooch rahe ho!". You have not even planted a tree, you are asking how many mangoes will the tree give.
Please come to IIT only if you are interested in engineering. There are other more efficient ways of making money. You will do yourself and IITs a big favor.
Read more here: Finding your passion
I cannot possibly answer such questions. I am sorry. I would have refunded your credits to you, but you are anonymous.