Only Online Payment methods are acceptable. 
Cash on Delivery Mode are Not Available at this time.

Yes. This is Safest Plateform. 

Create an Account and Register yourself. Then you can order books.

You can cancel your order within 12 Hours. After 12 hours of order you can't cancel your order.

Yes. 

Track your Consignment with this link. 
https://www.indiapost.gov.in/_layouts/15/dop.portal.tracking/trackconsignment.aspx

No Return Policy Available.