GATE

just qualify is enough to get scholarship from mhrd however admission depends upon colleges, your branches, your choice of preference. As same gate score has different meaning and weightage for different branch.

why online coaching?
you may download lots of videos in YouTube for gate preparation.
you also can download NPTEL videos and PDF Lecture. At last you can join some test series.
First step to fixed your mind that you are doing preparation for a score card. Set first target to qualify and then set one by one the new ranks.
Second steps to download the GATE syllabus.
third one is to decide your favorite portion.
Forth one is bring ten years question Bank and start solving it and clear your doubt by approaching the text book your teachers or friends.

It's gate 2017
First step to fixed your mind that you are doing preparation for a score card. Set first target to qualify and then set one by one the new ranks.
Second steps to download the GATE syllabus.
third one is to decide your favorite portion.
Forth one is bring ten years question Bank and start solving it and clear your doubt by approaching the text book your teachers or friends.

I think you didn't qualified this year and I am sorry for it. GATe is not a tough exam to qualify but hard to get good ranks. It demands continuous practice and nice approach. So download the syllabus choose you strong subjects and solved last ten years papers. If you have passion to do the preparation then go for it.

You should apply for NITs. You may get admission in new IITs, IIITs, Central universities, DTU, etc.

You should try for central universities, state technical universities, etc.

If you are under reserved category, you have a chance to get NITs with this score. Some branches are less attractive to the students in good institute, so you can apply for it.
You should try for Delhi Technical University.

You can apply for Aligarh Muslim University and Jamia Millia Islamia University for entrance test. If you get selected then you also get stipend during your M.Tech. You may apply to other state technical universities.

I think your rank is around 3000, am I right?
You should apply for NITs and it is a good chance to get NITs with this score of your for preference.
All the best.

You should apply in Jamia Millia Islamia University New Delhi for M.Tech. They conduct their own entrance to get admission in many branches of M.Tech.