Hi,

For a candidate to apply for admission to IITs the educational qualification is -

10+2 or 12th with 75% of marks for general category and  65 per cent for SC/ST  from a recognised board of education.

Or

Candidates must be in the top 20 percentile in Class 12 of his board.

With 377 marks out of 500 your

percentage become 75.4 % . So you are eligible for admission to iits .

Hope this helps.