NxtFone

For India Based on Search in NxtFone.
The best water purifier is LivPure Zinger Copper Hot.

It has below featured
6.5Liters Tank Capacity
RO+UV+Copper
Hot Water
upto 15Liters/hour

To go through all the features visit :
https://nxtfone.com/waterpurifier/detail/livpure-zinger-copper-hot

Comparison between best and 2nd best water purifier is also provided
Attaching the screen shot to give an idea.
https://nxtfone.com/waterpurifier/compare/livpure-zinger-copper-hot-vs-eureka-forbes-aquaguard-aura-ro-uv-mtds

NxtFone - Compare Livpure Zinger Copper Hot VS Eureka Forbes AQUAGUARD AURA RO+UV+MTDS Comparison of Livpure Zinger Copper Hot VS Eureka Forbes AQUAGUARD AURA RO+UV+MTDS to find which is better.

Comparison of Water Purifiers
V-GUARD VS AO Smith

https://nxtfone.com/waterpurifier/compare/v-guard-rejive-ro-uv-health-chargers-vs-ao-smith-z5-ro-scmt