Dear k.pooja ,

74.6% in JEE mains and 84.6% in boards is a good start towards a great career. You will definitely access good opportunities in many reputed colleges with such a background. To have a brief idea about the colleges that you may be getting selected for , you can refer the prediction tool below:

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

The predictor will not only give you prediction about the iiit / nit that you may get a chance with your Jee percentile but also provide you a list of private engineering colleges that you may get admission in with your score. You just have to enter some basic details like your percentile , category , gender , state etc and you will be provided with the best relevant predictions.

All the best for your future!