Drama series “Gul-Bahar” airs tonight on Rtv at 7:35pm. Written by Matia Banu Shuku and directed by Ehsan Elahi Bappi, it casts DIlara Zaman, Sharmili Ahmed, Al Mamun, Intekhab Dinar, Aparna GHose, Deepa Khandakar, Irfan Sajjad, Allen Shubhro, Marzuk Russel and others.