It is not an activity of the Mandal Tahasildar Office :

Correct option is C

The correct answer is (c).
Explanation
The Mandal Tahasildar Office is primarily responsible for revenue administration, land records, settlement of land-related disputes, implementation of welfare laws such as the Bonded Labour System {Abolition} Act, and assisting in the conduct of elections. However, maintaining sub-health centres is the responsibility of the Health Department, not the Mandal Tahasildar Office.
Additional Information
· Option {a} is incorrect because {The Tahasildar plays an important role in implementing laws related to the abolition of bonded labour and rehabilitation of affected persons}.
· Option {b} is incorrect because {Settlement of land-related disputes and maintenance of land records are important functions of the Tahasildar}.
· Option {d} is incorrect because {The Tahasildar performs election-related duties as assigned by the Election Commission during elections}.
· {The Tahasildar is the chief revenue officer at the Mandal or Taluk level and is responsible for revenue collection, issuing certificates, disaster relief coordination, and implementation of various government schemes.}