Looking for a PSU for a low cost machine (office use)

AMD 4000+with ASUS mobo (M2A - VM AMD 690G and SB600 Chipset)
1HDD - 2 sticks DDR2 - 1 Fan - 1 Optical drive - No overclocking.

Please suggest a lowcost PSU which will suffice for above purpose with peace of mind.

I was suggested Gigabyte PSU - are they available in India?

What are my other options?

Also suggestions for cabby welcome

TIA