With a JEE Main rank of 45,123, you have fair chances for ECE and some chances for CSE in these colleges:

Possible Options:

IIIT Bhagalpur, IIIT Jabalpur, IIIT Dharwad – CSE possible

NIT Silchar, NIT Agartala, NIT Meghalaya – ECE likely, CSE tough

GFTIs like Assam University, University of Hyderabad – CSE/ECE possible

Tips:

Use JoSAA counseling wisely

Check home state quota benefits

Consider state colleges through state counseling