"Narayanasamy discussed a wide range of issues related to the state as well as those connected with the central government," an official release said.
Singh, Minister of State in Prime Minister's Office, congratulated Narayanasamy on taking over as Chief Minister of Puducherry.
Narayanasamy, who served as MoS PMO in the UPA-2 government, appreciated Singh for carrying out a number of reforms in the department, it said.