Once you have the "IITian" tag in India , it's different. Everyone respects you , employers favour you , even getting married gets easier since families love an IITian groom
Becoming IITian basically means elevating your social status. You're different from the rest of them now , you went to the Indian Institute of Technology which has a 0.001 % success rate of getting in
It doesn't guarentee success in life but you have a higher chance than people who couldn't go there.