Etihad is trying to be a prominent player in India, and in this regard, they are working out as hard as they can to get an uptick on traffic from India. Considering they now majorly own the JetPrivilege program, they in a way, JP Miles are also a sort of Etihad currency.
Etihad is offering double miles in the JetPrivilege program, or the Etihad Guest program, if you book your tickets between September 22 and October 6, 2014 and travel between September 23, 2014 to December 15, 2014. To participate in this promotion, you need to register beforehand using your Etihad/JP number, at this link.
The promotion is valid for Etihad Airways flights on any destination on the Etihad Global Network, only when booked as a revenue ticket and as an Etihad flight (not as a codeshare). Applicable for travel in the Economy, Business and First Class.