Building given on rent for commercial puprose

Sai Chaitanya Yerukalapudi (1 Points)

25 January 2021  
hello, I have a building which I gave on rent to an institution and receiving rent o f 200,000 per year. There are no other incomes apart from my salary. Am I required to charge GST on the rental amount? My tenant is paying me the an amount after deducting some GST, I'm not sure if my tenant's act is justifiable. please suggest.