Complex sentence: Sayhanul Ehit (born 1950 Tangail) was a fighter of the Bangladesh liberation and was a member of the Kaderia Bahini, a small but effective group which were able to carry out many successful guerrilla operations in Tangail.
Split into simpler sentences: Sayhanul Ehit (born 1950 Tangail) was a fighter of the Bangladesh liberation he was a member of the Kaderia Bahini. A small but furious group who were able to carry out many successful guerrilla operations in Tangail.