Moving to Liberec

I planning to move to Liberec soon as Expat.
If there is reasonable big city to live with family between Liberec and Prague? Commutable to Liberec factory within 20 minutes or so.

I am not sure about Liberec in terms of city? Does people speak English? I know nothing about Czech language.

Of course being from India I am interested in Indian/Asian community as well. Indian grocery shops will be added advantage in the city.

Thanks for your help.

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