Hello Aspirant

With an EWS rank of 12000, you are eligible for a good number of NITs.

You can easily get the following NITs:

1. NIT PATNA
2. NIT SILCHAR
3. NIT NAGALAND
4. NIT MIZORAM
5. NIT SIKKIM
6. NIT AGARTALA
7. NIT SRINAGAR
8. NIT GOA

Please refer this link to know more about these college:

https://engineering.careers360.com/colleges/list-of-top-nit-colleges-in-india

Thanks