how is sinhalese being declared official language of sri lanka
Sinhala Only Act The Sinhala Only Act, formally the Official Language Act No. 33 of 1956, was an act passed in the Parliament of Ceylon in 1956.[1] The act replaced English as the official language of Ceylon with Sinhalese.[1] The act failed to give official recognition to Tamil, which had not received official recognition before.
Tamil language Tamil (English: /ˈtæmɪl/; தமிழ் Tamiḻ [t̪ɐmɨɻ],  pronunciation (help·info)) is a Dravidian language predominantly spoken by the Tamil people of India and Sri Lanka, and by the Tamil diaspora, Sri Lankan Moors, Burghers, Douglas, and Chindians. Tamil is an official language of two countries: Sri Lanka and Singapore.[11][12] It has official status in the Indian state of Tamil Nadu and the Indian Union Territory of Puducherry. It is used as one of the languages of education in Malaysia, along with English, Malay and Mandarin.[13][14] Tamil is spoken by significant minorities in the four other South Indian states of Kerala, Karnataka, Andhra Pradesh and Telangana and the Union Territory of the Andaman and Nicobar Islands. It is one of the 22 scheduled languages of India.