you can go with i5 or i3 better to go with i5 (2nd hand from aliexpress) and sure that lga 1150 socket with 8gb atleast ram and cheap gt 1030 at cheap total cost you around 8000 only and it will beat 50000 gaming laptop..........
and i more thing 120gb ssd (Gigabyte ssds are cheap and i am using so good to get)
like
intel core i5 3570 (at dynokart it is aroung 3000 only)
2x4gb or 1x8gb DDR3 1600 MHz RAM. Cost you around 4000
and GT 1030 around 3500 (2nd hand)
and ready to kill gaming pc is here bro......