cheap gaming pc build around 25k

Solution
If you are pertaining to 25k INR then it's approximately $400. So here's a build that is less than that.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Pentium G2020 2.9GHz Dual-Core Processor ($55.99 @ Amazon)
Motherboard: ECS B75H2-M3(1.0) Micro ATX LGA1155 Motherboard ($48.98 @ Newegg)
Memory: A-Data XPG Gaming Series 4GB (1 x 4GB) DDR3-1600 Memory ($30.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Microcenter)
Video Card: PowerColor Radeon HD 7770 1GB Video Card ($93.18 @ Newegg)
Case: HEC Enterprise MicroATX Mid Tower Case...
If you are pertaining to 25k INR then it's approximately $400. So here's a build that is less than that.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Pentium G2020 2.9GHz Dual-Core Processor ($55.99 @ Amazon)
Motherboard: ECS B75H2-M3(1.0) Micro ATX LGA1155 Motherboard ($48.98 @ Newegg)
Memory: A-Data XPG Gaming Series 4GB (1 x 4GB) DDR3-1600 Memory ($30.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Microcenter)
Video Card: PowerColor Radeon HD 7770 1GB Video Card ($93.18 @ Newegg)
Case: HEC Enterprise MicroATX Mid Tower Case ($9.99 @ Newegg)
Power Supply: Corsair Builder 430W 80 PLUS Bronze Certified ATX12V Power Supply ($19.99 @ Microcenter)
Optical Drive: LG GH24NS95 DVD/CD Writer ($15.99 @ Microcenter)
Total: $335.10
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-11-01 07:27 EDT-0400)

I gave you a less than $400 build because the prices in your country might be higher. If you can't find the exact parts, then similar parts is just fine. This should max out DotA 2 at more than 60 FPS.
 
Solution
This should be your perfect choice
ntel i3 3210 - rs 6600

Gigabyte b75 d3h - rs 4000

Corsair vengance 4gb 1600mhz - rs 2500

Wd cavier blue 500gb - rs 3000

Saphhire hd 7750 1gb ddr5 - rs 6500

Antec bp300 psu - rs 1700

Any local cabinet - rs 800

Logitech Keyborad and mouse mk200 - rs 700

Total - rs 25,800

Please have look and you can game on it
 


Your build seems pretty much well but Prices of GPU in india will be higher and Newer Game are CPU intensive too so I33210+HD7750 Will be better as per budget IMO.
 


This. India probably has quite a bit of difference in price range from NA.
 

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