Hi there,

Congratulations on scoring really well.You have truly worked hard.As it is clearly stated that you need to have 75% in your 12th to get admission to IITs,NITs or GFTIs,so it is clear that you cannot get any of them,I am sorry. Please do not stress out and think smartly during this phase.Try colleges like Thapar,if interested.

Using your rank and the link below,please do find an appropriate college and branch  that you deserve with your JEE score.

Https://engineering.careers360.com/jee-main-college-predictor

This will help,I believe as the link gives every minute detail that you would ever need! 

Feel free to reach back for other doubts. Best wishes !