Intex Ups Protector 725 from snapdeal @ Rs. 1364
http://www.snapdeal.com/product/intex-ups-protector-725/1187781560

About Product:-
600VA/360W Capacity
230V AC Input Voltage
4ms-8ms Transfer Time
Provides Backup for 10-15 minutes for one PC
6 hours Recharge Time
Less than 40dB Noise Level
Square Wave WaveForm(Battery Mode)


Price comparison:-
Shopclues @ Rs. 1753
http://www.shopclues.com/intex-ups-protector-725-4.html
Paytm @ Rs. 1980
https://paytm.com/shop/p/intex-protector-725-600-va-ups-black-red-CMPLXCOMINTEX-PROTECDUMM202565626F861
Amazon @ Rs. 1833
http://www.amazon.in/gp/offer-listing/B008LNERRK
ebay @ Rs. 1599
http://www.ebay.in/itm/INTEX-UPS-600VA-Protector-725-with-2-Yrs-Warr-Vat-paid-Invoice-20-Mins-Backup-/131231360275