Central Zone eventually ended up on 438. Along the way, Mithun smashed 206 off 306 balls with the help of 27 fours and three sixes while Shuvagata posted 116. In the fifth wicket stand, they put up 283 on the board.
This is now the highest score by Mithun in first class cricket. His previous best was 186.
After the stand was broken by Mahedi Hasan, Jaker Ali scored a fifty for them, and helped them to come out well from their early damage.
For South Zone, Farhar Reza and Kamrul Islam Rabbi bagged four wickets each.
At the end of day three, South Zone were trailing by eight runs with nine wickets in hand.