well lets try....
PROCESSOR: AMD Sempron 2400+....Rs.3000 approx.
MOTHERBOARD: ASUS A7N8X....Rs.3500 approx.(onboard 6-channel audio)
MONITOR: Samtron/Samsung 15"....Rs.4500 approx.
HDD: Seagate 80GB...Rs.2800 approx.
GRAPHICS CARD: Geforce FX 5200, 128 MB DDR....Rs.2500 approx.
RAM: Hynix 256 MB DDR RAM...Rs.1600 approx.
SPEAKERS: Altec Lansing AVS 500....Rs.2500 approx.(4.1 speakers, decent sound)
Cabinet with 350W SMPS....Rs.1100 approx.
COMBO DRIVE.... Samsung Combo Drive....Rs.2600 approx.
logitech keyboard and optical mouse.... Rs.1000 approx.
TOTAL: Rs.25000 approx.
I hope i've not missed anything....
With this config. u'll be able to play latest games at low to medium settings....
best of luck !
ENjoy....