NIT

As per the previous years of trends your GATE score is not enough for admission in M.Tech Thermal engineering in NITs. However you may participate in National Spot Round (Conducted after Internal Sliding by CCMT for more confirmation. Similarly for IITs you needs to score above 725 in GATE.

Please write about the home sate and category you belong for a better response. However, your expected JEE Main AIR is about 42433. On the basis of your JEE Main percentile, you can the following NIT under another state quota in the general category.
1. NIT Andhra Pradesh.

Your expected JEE Main AIR is about 243985. You can not NIT under other state quota. Hence, please tell us about the home state and category you belongs for further details.

The last year closing ranks of NITs for few courses are given below in All India category for general candidates.
1. Civil Engineering : 40006 NIT Sikkim
2. CSE : 18900 NIT Mizoram
3. Mechanical : 39125 NIT Mizoram
4. MME : 45900 NIT Srinagar.

You have not written about the home state you belong. However, your expected JEE Main AIR is below 31825. The last year closing rank in the asked branch was 26535 at NIT Nagaland. Hence your chances are moderate for CSE in NITs. However, you can get the following branches.
1. Civil Engineering at NIT Sikkim, Meghalaya, Manipur, Patna, Mizoram, Durgapur, Arunachal Pradesh, Srinagar, Puducherry, Nagaland, Silchar
2. EEE at NIT Meghalaya, Manipur, Mizoram, Nagaland
3. Electrical engineering at NIT Manipur, Arunachal Pradesh, Srinagar.

Your expected JEE Main AIR is below 21217 because you have not mentioned the category and home state you belong. So, on the basis of another state quota you can get the following NITs in the general category for neutral gender as under.
1. NIT Sikkim
2. NIT Manipur
3. NIT Mizoram
4. NIT Arunachal Pradesh
5. NIT Srinagar
6. NIT Puducherry
7. NIT Nagaland
8. NIT Silchar.

Keeping the past years of trends in consideration, the NITs are difficult in asked course.

The M.Tech admission process of IIITs and NITs are same. At present, NITs, IIEST, NIFFT, SLIET and PEC take part in the Centralized Counselling Process to fill M.Tech seats in their institutes. All NITs fill their M.Tech seats through Centralized Counselling for M.Tech (CCMT). The registration process for CCMT begins in the month of April every year. The M.Tech admission process for NITs begins with the online application process through the official website of CCMT.