Adjutant is a military rank or appointment.
Bangladesh (বাংলাদেশ,, lit. "The land of Bengal"), officially the People's Republic of Bangladesh (গণপ্রজাতন্ত্রী বাংলাদেশ), is a country in South Asia.
Bengali or Bangla (বাংলা) is the language native to the region of Bengal, which comprises the present-day nation of Bangladesh and of the Indian states West Bengal, Tripura and southern Assam.
Group captain (Gp Capt or Grp Cpt in the RAF, IAF and PAF, GPCAPT in the RNZAF and RAAF; formerly sometimes G/C in all services) is a senior commissioned rank which originated in and continues to be used by the Royal Air Force.
Squadron leader (Sqn Ldr in the RAF and IAF; SQNLDR in the RAAF and RNZAF; formerly sometimes S/L in all services) is a commissioned rank in the Royal Air Force and the air forces of many countries which have historical British influence.