What are the ways in which I can arrange for books for impoverished kids?

Are these kids in India or elsewhere?

You are looking for books in which language(s)?

Where are you/your organization located?

What kind of import/customs duties are involved if books are shipped where they need to go?

What kind of cost differential is there to buy the books in one place than another with shipping and duties factored in?

Do you want new books or are used books ok?

Is your organization a legitimate charitable organization registered with the govt. of whatever country it's located in?

If you want meaningful answers, you have to learn to give the pertinent background information. We do not have ESP.

In general, it's been my experience that it's less expensive and easier to find culturally relevant supplies locally than it is to procure supplies elsewhere and ship them. In which case you should be fundraising, not procuring books locally.