Closing Recommendation
Both are useful wheel loaders for Indian sites, so pick by your production need and your running cost. Choose the Liugong 836N when you want more payload and torque for higher production, faster travel between the pile and the truck, and a standard AC cabin for hot districts. Choose the Hindustan 2021E when diesel is your biggest cost, when a bigger fuel tank for longer work suits you, and when a long-known Indian loader name matters. Both use common engines, so also check which brand's parts reach you fastest. So match the machine to your work: Liugong 836N for power, payload and comfort, Hindustan 2021E for fuel saving and long run-time.