Hello Akhil,

Congrats on scoring such a wonderful score in your GATE exams 2019. The chances for PSU with 250 rank is quite high in the field of EC. You can use the GATE school predictor with PSU Chances as this link will provide you with the information about which PSU you are getting and also bonus some additional information which would be helpful for you:-

https://engineering.careers360.com/gate-college-predictor

Hope this helps you