Hey Shiva

If you have already Indian Institute of Technology after drop then your decision would be considered positive as IITs and a higher reputation, better academics and placement record than NITs. Also studying in IITs open chances for more opportunities and provides a great environment with other smart candidates. NITs are also reputed colleges of India and have good academics and opportunities but does not align with IITs every time.

Please do not worry and give your 100% to the course you have taken admission in so that your decision becomes fruitful. For further doubts, ask us.