The signatories to the agreements are the Centre, the Maharashtra government and respective metros.
A statement issued by the Chief Minister's Office stated that the MOUs were signed considering the increasing population of both cities.
The state government, in a decision taken in January 2014, had approved the Nagpur metro, after which a tripartite agreement was signed.
The government had on December 23, 2016 approved construction of the Pune metro rail, followed by signing of a tripartite agreement.