Other religions are Sikhism and Buddhism . The Lahaulis of Lahaul and Spiti region are mainly Buddhists. [26] The major spoken languages include Hindi , Punjabi , Mahasui, Kulluyi, Lahauli, Kinnauri, Chambyali, Sirmauri, Bilaspuri, Pahari , Dogri , Kangri . [27] Some of the achievements in human development by the state