GST officer issued a notice for clarification for stamp is insufficient in rent agreement (U.P.)

Amit Kumar (i want to improve my taxation.)   (136 Points)

13 December 2019  
i applied for GST no. in uttar pradesh. But officer issued a notice for clarification. In that notice officer is saying that, "stamp is insufficient in rent agreement". But i used 100Rs. of stamp in rent agreement. Rent is 7000Rs. per month.
please help me what should i do now?

Normally we use 100Rs. stamp.