Jet Airways is running a special promotion for bookings made on JetAirways.com where they are offering Rs. 4,000 off on one-way and roundtrip tickets in Jet Airways business class to London, Bangkok and Dubai for ticketing till August 20, 2012. Make sure to use the India country site to be taking benefit of this discount.
While London from Mumbai and Delhi is served by the Boeing 77Ws with the herringbone lie-flat seats, the Bangkok and Dubai sectors are served by Boeing 737s with the regional product.
One-way international tickets almost always price higher than return trips on Jet airways, if you have a trip planned in Business Class to London, right now is the time to book. However, the fare is not so great to go out of the way to take benefit of it.