Hello,
With that marks in JEE mains you can easily get some good branches in some top NITs , IIITs and GFTIs. Your rank and score are quite good.
Also Jee mains marks can be used to take admission into BE/Btech courses in NITs, IIITs , GFTIs ,IIESTs and other private engineering colleges.
Jee mains cannot be used as a qualifying criteria for a job. You can pursue a job after you complete your engineering. With that rank in JEE mians you can cope up with your engineering studies.

Just go for admission into so e good private engineering colleges in India like Sharda SRM Amity etc
Here's a list of some of the best private engineering colleges in India

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/colleges/ranking/top-private-engineering-colleges-in-India&ved=2ahUKEwi0muDNiJLkAhXRbCsKHVO2AAEQFjANegQIBRAC&usg=AOvVaw3ZtyjIynwh5jLDs3nOHHoU


Hope it helps

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