if you want to build a mid gaming rig so u must have a budget of minimum 40,000 to 52,000 thousand Indian rupees. at 30,000 price range you only build Home basic & office normal PC. So suggest you just increase your budget little more,,,,,
at the budget of 40,000 to 52,000 thousand indian rupees hear is some best budget gaming component for intel mid gaming rig
1. Processor = Intel® CoreTM i5-4690K 3.5 GHz (17,500.rs)
2. Motherboard = Gigabyte GA-H97M-D3H 32GB DDR3(6,500.rs)
3. RAM = Corsair vengeance 2 X 4GB(Total 8GB) [Approx 5,600.rs]
4. CPU Cooler = Cooler Master Hyper 212X [2,700rs]
5. GPU = ZOTAC NVIDIA GTX650 Synergy Edition 2 GB 128-bit DDR5 2 GB GDDR5 [Approx 8,300.rs] or Asus NVIDIA GTX650-E-2GD5 2 GB GDDR5[9,500rs]
6. PSU = Corsair VS550 550 W [3,000.rs]
7. HDD = WD Caviar Green 1 TB [3,600.rs]
8. Cabinet = Any in price of 2,000 to 3,000(But be Sure that Cabinet fit with Cooler master Hyper 212X ,Cause This Cooler is So tall you need Minimum 170mm CPU Cooler Supported Cabinet).i suggest go with Antec GX900 or GX700 Cabinet.
if u Have Some more Little Budget Than i suggest You must Purchase 1 SSD Also for better performance & better Speed(For SSD i suggest Go with Samsung 840 EVO 120GB [Approx 4,300.rs],,,,,,,,,,,,,, These all component better for MID Gaming Range & Also very Cheap Price point. and also these all available on online in India