hii ,

it would be better if you specify which exam are you talking about if you are talking about jee mains then the best colleges would be -

• jaypee institute of technology
• army institute of technology
• acropolish institute of technology

for more college through jee mains rank use the jee college predictor - https://engineering.careers360.com/jee-main-college-predictor?ici=cp-listing_engineering&icn=JEE-Main-College-Predictor