Question

हिन्दी भाषा कब लागू हुआ था ?​

Answer 1

Answer:

Hindi emerged as Apabhramsha, a degenerated form, in the 7th century A.D. By the 10th century A.D., it became stable. The present literary standard of Hindi is based on Khari Boli. Hindi became the official language of India after 1947.

Answer 2

Answer:

your problem's solution here