JEE

Your JEE Main score is enough for JEE Advanced qualification. Hence, in my opinion you have to completely focus on JEE Main Advanced because the Preparation of JEE Main can be confused and can divert from the original goal. Time which will you spent in preparation of JEE Main can be utilize in JEE A

You have not written about the home state and category you belong to . However, your expected JEE Mains AIR is above 35000, which is not enough for getting admission in NITs. The ranks below 9000 can be safe for B.Arch admissions.

Hello Abhijeet Marking Scheme - All questions in Mathematics, Aptitude and Planning based sections have equal weightage. 4 marks will be given for every correct response.

Hello Sanjeet,
Fees in IIMs could be paid online by NEFT where daily cash limit does not apply. Also, by the time you join IIM, all restrictions would have been lifted by the government. Just do not worry. Concentrate on your studies. That is more important.

Yes, almost every NIT offers courses at undergraduate level in mechanical engineering branch. The admissions to various NIT's are based on the rank scored in JEE Mains examination that will be declared by NTA. Best wishes to you.