can any one teach me salesforce in hindi

@Manmohan Gorkha, I would recommend these playlists on YouTube:

For Admin:

https://youtube.com/playlist?list=PLQ623tNax05ycTpwHVG4WG1Cp_URgRuhF

For Development:

https://youtube.com/playlist?list=PLVILwsgb1PolgH3gZ2vuUKzK84ejJpClB

Hope it helps you. Keep applying what you learn in Trailhead as well..

Regards,

Yatin