if i were you, my first choice would be to pick Corsair RMx for the sweet 10 year warranty and best after sale services .. search a few more shops other than costs to cost and SMC , you should be able to get it.. otherwise get it from PRimeabgb or theitedepot , theitwares wherever you can find cheaper..
Even a 550 Watt model would be good enough for you , Quadro P2000 is only a 75 W card ,
it is more bang for the buck when it comes to warranty and quality of after sale service..
below Rs 9000- 10,000
then my second preference would be to go with Antec Edge or True power classic series depending upon the price ..
Both of them are Re-branded Seasonic S12G but warranty is reduced only to 5 years here..
Edge series is modular + has a better fan than True power classic
avoiding seasonic directly only because of RMA concerns with discontinued models , as Seasonic is replacing their low-mid range lineup this year with Seasonic Core and Focus series .. Seasonic Focus series isn't available yet i think in India , though launched in western markets .. and Core series will launch later this year.. and you have to send PSU to kolkata for RMA
read this
Tirupati Seasonic Rma Help.
with Antec i think you have to return to the dealer from whom you bought it..
but still try to go for RMx
Rest you can also take inputs from other members like
@chimera201 or better yet post in jonnyguru forums to really get a solid fully informed reply from PSU reviewers and enthusiasts..
PC Power Supply Discussion - jonnyGURU Forums
p.s - didn't consider corsair TX series because of 3.3v transient tests
. . though transient response on 3.3v line isn't big concern from what I know . but I am not fully sure .. hence not included above otherwise easily the 2nd best option after Rmx with 7 year warranty
Corsair TX750M Transient Response Tests