Simple & Sweet Config for Ya. GA-EG41MF-US2H
CPU=E5200 = Rs3.5k approx
Mobo= Gigabyte GA-EG41MF-US2H approx 4.5k
Ram: Corsair XM2 2GB=1550, 4GBKit = 3100 (2GB Should be enough for you)
HDD=Seagate 7200.12 series 500GB HDD
Cabby: Zebby Bijli or CM Elite with VIP 400watts Generic Dual Rail PSU= Max 2.7k
DVD-RW: LG GSA-H10N
CM 90CFM 19Dba Fan for Rear Fan.

Chao!!

This config will be very cool, ultra silent, fast enough even for 10Mbps internet connect, Mid Level Gaming, HD Movies, Encoding, e.t.c.

After Sales Service will also be good in this case. Also Resale value will be quick and good i.e. If you wish to upgrade later.