power supply i think its 240V and im not familiar with such terms like PSU model so will u please elaborate it.. i mean what more to mention?? and budget its like 4000 INR
PSU stands for Power Supply Unit.The power supply provides power to your PC.You have to have a certain amount of wattage to run a graphics card and everything else.
In your case you will see the power supply and on the back of it theirs a chart.Can you please post what it reads on the back of it.