In 1973 , Rahman was elected a member of the first Jatiya Sangsad . He served as the deputy minister in charge of Post and Telegraph from 1973 to 1975 . After the assassination of Sheikh Mujibur Rahman , President of Bangladesh , he joined with Khondokar Moshtaque Ahmed . He was an accused in the 1975 Jail Killing case in which four national leaders of Bangladesh Awami League were killed . Rahman joined the Bangladesh Nationalist Party ( BNP ) in 1978 . He was elected to parliament as a candidate of Bangladesh Nationalist Party . He was a member of the cabinet in charge of the Ministry of Fishery and Livestock and later of the Ministry of Aviation and Tourism . From 1986 to 1988 he served as the General Secretary of Bangladesh Nationalist Party . He was elected to parliament in 1996 and in 2001 . He was acquitted in the Jail Killing case in 2004 . He formed the Janata Party in the 1980s with a ship as its symbol
Jail Killing
Jail Killing Day
KM Obaidur Rahman