books50FlipKart is offering minimum 50% off on Books.

Axis Bank Debit Cards – October 29th to 31st – 10% off upto Rs. 1000 on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. (Terms & Conditions)
Axis Bank Credit Cards – October 29th to 31st – 10% off upto Rs. 1500 on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. Additional 5% Cashback on Flipkart Axis Bank Credit Cards. (Terms & Conditions)
Axis Bank Credit Cards – October 29th to November 4th – Bonus Rs. 1500 off on Rs. 30000+: An instant discount will be awarded at the time of making the payment. Additional 5% Cashback on Flipkart Axis Bank Credit Cards. (Terms & Conditions)

Axis Bank Debit Cards – November 1st to 4th – 10% off upto Rs. 1000 on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. (Terms & Conditions)
Axis Bank Credit Cards – November 1st to 4th – 10% off upto Rs. 1500 on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. Additional 5% Cashback on Flipkart Axis Bank Credit Cards. (Terms & Conditions)

Buy: Books (minimum 50% off)

book-bazaarAmazon is offering 20-60% off on Books.

ICICI Bank Debit Cards – 10% off upto Rs. 750 off on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. (Terms Conditions)
ICICI Bank Credit Cards – 10% off upto Rs. 1500 off on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. (Terms Conditions)
Amazon Pay ICICI Bank Credit Cards – 5% off upto Rs. 750 off on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. This is in addition to the always-on Reward Points 5% for Prime members and 3% for non-Prime members. (Terms Conditions)
Axis Bank Debit Cards – 10% off upto Rs. 750 off on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. (Terms Conditions)
Axis Bank Credit Cards – 10% off upto Rs. 1500 off on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. (Terms Conditions)
Citibank Debit Cards – 10% off upto Rs. 1500 off on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. (Terms Conditions)
Citibank Credit Cards – 10% off upto Rs. 1500 off on Purchase of Rs. 5000+: An instant discount will be awarded at the time of making the payment. (Terms Conditions)

Amazon: Book Bazaar

Good Buys: Books upto 80% off + Buy 3 Get 8% off or Buy 4 Get 10% off (automatic discount in step Place Order)