For ur purpose i7 2600(non k) wich is priced around 14k is recommended but due to budget restrictions u can go for followng components
i5 2400-9k
intel dh67-4.5k
corsair value rams-2.6k
(8gb)
if u can sell ur present rigs components (proc.+mobo+ram)den u can get abt 3-4k wich u cn invest 2 get...