Shyam-Shefali open stage and an International house built in BITA Cultural and Communication Trust (BCCT) in Patiya to memorizing the pioneer of Chattogram local song’s singer Shyam Sundar Baisnab and Shefali Ghosh. The main credit to spread the Chittagong local song in the world owned by Shyam Sundar Baisnab and Shefali Ghosh. Recently state minister of cultural affairs consoled to give a grant for the structural shape of the Shyam-Shefali open stage in Patiya established by BITA as well as flourished the library of BCCT.