Titas Gas Transmission and Distribution Company Ltd is going to install some 120,000 more prepaid gas metres in the city with the unspent fund of JICA, a Japanese donor agency.   According to official sources, a revised development project profile (RDPP) was sent by the Titas Gas to the Planning Commission through Energy and Mineral Resources Division.   “Once we receive the approval to the RDPP from the executive committee of the National Economic Council (Ecnec), we’ll proceed to install the metres in seven more areas in Dhaka city under an existing project,” said Faizur Rahman, project director of the prepaid metering project of the Titas Gas.   Under an existing project, he said, 200,000 prepaid gas metres have so far been installed in 26 areas of the city.