Unfortunately you won't be getting anything in National Instituted of Technology Silchar as you belong to General category and your rank is not up to the mark. However, you can apply to some other well known colleges which will provide you good exposure along with decent placements at the end of your program. Some of these are:

Vellore Institute of Technology, Bhopal
SRM Chennai
Lovely professional University

You can also use our college predictor to see your chances in all the colleges:
https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Hope I have answered your question. All the best!