All Books published before the passing of the Copyright Act, 1957 applicable from 21 January 1958, are governed by the The Indian Copyright Act, 1914.

According to this Law, any Work looses copyright after 50 years of its publication. Therefore, for a text published in 1957,  is already in the Public Domain by the Year 2007. Hence, can be republished and transmitted in any means freely.

Source: https://en.wikipedia.org/wiki/Copyright_law_of_India