Spoken Bengali
Bengali or Banglas the official, national, and most widely spoken language of Bangladesh and bengal sate of India.
Bengal gave India's National anthem and India's first oscar winner Satyajit ray above all the loveliest language Bengali. Bengali or bangla is one of the sweetest language of India.There is no roughness or harshness to the words and the language has simplified vowel and consonant sounds.
With bengali you can survive not just in an Indian state but also in another country called Bangladesh.