Dell would take at-least 45 days in total to do all paper work and ship the system from the date u make your mind that u would buy Dell XPS m1530
so if you can wait then go for
XPS m1530... Now if you are in hurry and buy on the same day then
HP Pavilion dv6703TX in Kolkata, with upgrade of warrenty from 1 year to 3 years, including all tax it costs Rs. 53,200/-