Dhaka [Bangladesh], August 7 (ANI): The Indian High Commission in Bangladesh remains functional and senior diplomats and essential staff continue to remain in the country, sources told ANI. Non-essential staff and families of Indian diplomatic missions have returned to India on a voluntary basis through a commercial flight, the sources said. Amid political unrest in Bangladesh, an Air India flight from Dhaka carrying 199 passengers and six infants landed in Delhi early this morning. Air India operated a special charter flight at short notice despite infrastructure challenges at Dhaka Airport l…