Hello aspirant,
There are only few colleges which provide part time btech in bangalore
these are the colleges providing this courses
1.university college of engineering bangalore university
2.bms evening college of engineering ,basavagudi
3.AMC college of engineering
4.east point college of engineering

And in Delhi following colleges are provided
1.Delhi College of Engineering, Bawana Road, Badli, Delhi
2.Netaji Subhas Institute of Technology, Dwarka, Delhi

3.Ambedkar Institute of Technology, Patparganj, Shakarpur, Delhi
All the best
Thank you.