Finally we a group of 7 people have booked our tickets in the following trains in sleeper class :
1. 26th December 2011 (Delhi to Bhubnaeswar) : 12282/BBS DURONTO EXP
2. 1st January 2012 (Bhubnaeswar to Delhi): 12801/PURUSHOTTAM EXP (3 more people are expected to join us; so it will be 10 people :-)
Interested people can book their tickets by same train and have more fun while travelling!