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Communication 1(in Hindi)
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Communication Technology1(in Hindi)

Rajesh Kumar
hi my self Rajesh Kumar. I have 12 years of general science and technology teaching experience with top level institute in the country.

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Unacademy user
sir apne kha 8 min me k compressor k bare pr hum log to usko use hi ni kr rhe h..to usko puch de to hum log kaise explain karenge.