Indian book prices, especially for foreign books which are published in India, is quite low.
http://www.flipkart.com/feynman-lectures-physics-mainly-mech...
Price: Rs 236
http://www.amazon.com/The-Feynman-Lectures-Physics-Vol/dp/04...
Price: USD 38(about Rs 2100)
That's almost a 10 fold difference. The paper quality isn't good, it's mostly paperback[1], but paying 10 folds for a hard cover isn't worth it. Books which aren't published locally(imported) are an issue. Prices are too steep compared to books which are published here.
http://www.flipkart.com/algorithm-design-manual-0002/p/itmdy...
Price: Rs 5163
[1]: In the examples above, both books are low quality paperback books.