may I know some value added courses for electrical engineering around chennai and Bangalore

You can consider following names - Electrical designing & drafting course, Autocad, MATLAB, PCB designing, Substation designing, Solar energy course.

Note : There are many private institutes available in India so it is advisable to check the institutes nearby your place and join the same as per your interest and convenience.

Good Luck!!!

You can do some courses like Introduction to programming the IOT, Robotics, Power electronics, Internet of things, Digital manufacturing & design technology, Introduction to electronics and computer architecture according to your choice.