Something like this would be nice,
PCPartPicker part list:
https://in.pcpartpicker.com/list/wQNtHN
Price breakdown by merchant: https://in.pcpartpicker.com/list/wQNtHN/by_merchant/
CPU: Intel Core i3-7100 3.9GHz Dual-Core Processor (₹10540.00 @ Amazon India)
Motherboard: Asus B150M-C D3 Micro ATX LGA1151 Motherboard (₹5284.53 @ Amazon India)
Memory: G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory (₹3999.00 @ Amazon India)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (₹3727.00 @ Amazon India)
Video Card: VisionTek Radeon RX 470 4GB Overclocked Video Card (₹13323.72 @ Amazon India)
Optical Drive: Asus DRW-24D3ST DVD/CD Writer (₹990.00 @ Amazon India)
Case & PSU: Enter Nexus ATX/Micro ATX Mini Tower Computer/PC Case E-CB5A With 500W Power Supply (₹1300.00 @ Amazon India)
Total: ₹39164.25
A little bit higher than what you want to pay, but the difference in performance is worth it I think.