I need a good electronics shop in kolkata who keeps all the components like transistors, capacitors, magnet wire etc for building the projects any lead on a shop in KOLKATA??

Can't direct you to a particular shop, but there is Chandni Market, the home of electronics, you'll find everything there. There are lots of shops,if one doesn't have it, the other one will have it for sure.

There is a shop in chandni called Railton electronics. They have most of the things most of the time. But dont expect recent items like 32 bit mcu or sensors.I dont know if anybody in chandni have those. For sensors you can try sumeet electronics. They are in Ezra

Thank you every one for the help! really appreciate it!

A long time ago I used to regularly purchase from a shop called glory radio. Even a couple of years back, I purchased a few capacitors for my LCD monitor.