Suggest a laptop prefer (HP) and price between Rs.45000 to Rs 50000 and processor core 2 duo 2GHZ or more. 3GB DDR2 RAM. 250GB hard disk. AND Is there is much difference in laptop prices in usa and india?? As after sale service of HP is very good and there is also a service center in INDIA (DELHI) AND Is there is any service center of dell in INDIA(DELHI) and what about there after sale service??