Hindi is the National Language of India. The Hindi language in India has a big history which belongs to the Indo-Aryan branch of the Indo-European language family. After being an independent country, the Government of India made a goal to standardize the mother tongue means the Hindi language with the grammar and orthography. It is celebrated as an event every year on 14th of September, because the Hindi language was first adopted by the Constituent Assembly of India as the official language of the Republic of India on 14th of September in 1949. The student-teachers of Smt. S. P. Kothari College of Secondary Education and Shri D. D. Choksi College of Secondary Education celebrated Hindi Diwas on 14th September 2019 with zest and zeal. Pravin Chauhan the student of D. D. Choksi College of Secondary Education was the anchor of the event. Zinal Limbachiya and Sachin Pradhan the student-teachers recited the poem about Hindi language. Hina Chauhan the student of Shri D. D. Choksi College of Secondary Education sang a very good song about Hindi language. Dr. Himanshu Acharya and Dr. Bharat Mali assistant professors delievered a very good speech about the importance of Hindi language in the day-to-day life. Thanks giving ceremony was held by Mrs. Arpana Tripathi, the principal of Smt. S. P. Kothari School of Secondary Education.