You can go to: 1)Delhi->Bhangarh Fort->Jaipur->Ajmer->Pushkar->Jodhpur->Jaiselmar->Mt abbu->Udaipur 2)Delhi->Chandigarh->Shimla->Parvati valley->Manali->Amritsar 3)New Jalpaiguri->Darjeeling->Gangtok->North Sikkim(3Days Tour)->Gangtok->Guwahati->Shillong
Go for Andamans, it is one of its own. It is perfect for almost every type of travellers. It doesn't matter if you are travelling solo, going for honeymoon or just some refreshment, this place had it all covered.
This place will bring you close to nature and yourself.
Although 50k is enough, a little planning could save you some bucks.
Hey jenil.. you can consider offbeat places like auroville, hampi, madurai, etc in December , you can also explore gir forest reserve, tadoba tiger reserve or kaziranga national park if you want a wildlife experience. for a more Serene and relaxed experience you can also check out coorg and koonoor (koonoor is truly an unexplored gem) let me know if any of the above interest you and you want more details