Yatra is offering 10 domestic tickets free with each international ticket booked on Yatra and thus this promotion is rightly called 10 ka dum. If you book one way international ticket you will get 4 domestic tickets free. This offer is valid on international flights booked after August 16, 2010 and the free domestic travel has to be completed on or before October 31, 2010.
Check this offer on Yatra

Terms & Conditions

• The free tickets can be redeemed only on certain flights on certain sectors only.
• Only the base fare of the domestic tickets is free and the taxes have to be paid by the travellers.
• Free domestic tickets can be redeemed by either you or your friends but you will need to redeem atleast one domestic ticket for yourself.
• To get your free tickets you need to call the customer service representative at Yatra.