You're lucky. CNET just published https://www.cnet.com/topics/laptops/best-laptops/gaming-laptops/
The prices, alas, are the USD prices in the USA. But surely you can find the Roopie prices of your favorite models yourself.
I want to buy a gaming laptop. which brand is good to purchace gaming laptop under 45,000/- INR.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic