Requirements for low-budget game development-

i.) An i3 processor of 8th generation.
ii.) 8 GB Ram so no hang could occur.
iii.) 120 GB or more than 120 GB SSD.

Requirements for under ₹50,000 budget game development-

i.) An i5 processor of 8th generation.
ii.) 8 GB Ram.
iii.) 120 GB or more than 120 GB SSD.
iv.) The most recommended is a Gaming laptop of these specifications. 

For more information check out this video: https://youtu.be/te0zXkHlRj8