I don’t think people understand what you mean by “class topper” which is not an idiom used in America. Do mean that you have the highest scores in your class? Do you mean you had the highest English score in all of India? You would be “head of your class or top of the class or valedictorian (first place) or salutatorian (second)”. If that is the case, congratulations that is quite an achievement. (I am not trying to pick on you just explain why some people are unsure how to assess your profile.)
You should be very proud of you accomplishments. But Ivy League admissions cannot he chanced. You are likely qualified but that tells you nothing about whether you will will get in.