Municipal Corporation Of Delhi — demanding money subsequent to challan

Address: New Delhi, Delhi, 110042

Dear sir/madam,

The construction work of my house is being carried out at plot no.-18a, h block sindhi colony swaroop nagar delhi-110042 due to which some malba and construction material was kept in the side of the street. There is no blockage of road or drainage due to this neither any complaints from neighbours.
Mr. Karambir chauhan visited the site on 22.02.2020 and made a challan on the same date, which is deposited to the concerned court on 24.02.2020 (Due date) to magistrate mr. Naresh kumar.

Now, the same person i. E. Mr. Karambir chauhan is calling over phone again and again demanding money and threatening my father that he will again do challan of higher amount if he does not pay him the demanded money.
Contact no of mr. Karambir chauhan is [protected]