Riyadh Ali, Managing Director of Intraco Solar Power Limited (ISPL) and Mina Masuduzaman, Company Secretary of Power Development Board (PDB) exchanging an agreement signing documents at Bidyut Bhaban in the city on Sunday. Under the deal, PDB will buy 30MW electricity from ISPL. State Minister for Power, Energy and Mineral Resources Nasrul Hamid, Power Secretary Dr. Ahmed Kaukaws and PDB Chairman Engineer Khaled Mahmud were also present.