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Puja from Kolkata

India Ka Best

indiakabest.com
Puja, Kolkata




Chandan Kumar from New Delhi

Fun with electronics

youtube.com/channel/UCZ689QczVxdpuMVWKE-d_Kg
Chandan Kumar, New Delhi







Asif Shaik from Rajampet

Physics and Radio-Electronics

physics-and-radio-electronics.com
Asif Shaik, Rajampet