Judiciary Hindi- 1

 First Grammar book in world: Aṣṭādhyāyī, a sutra-style treatise on Sanskrit grammar, 3,996 verses or rules on linguistics, syntax and semantics in "eight chapters and written by panini.

The first Grammar of apbhransh written by: Hemchandra

Siddhem Shabdanushasan is the grammar book which was written by Jain Acharya Hemchandracharya. This book has seven chapters, with each chapter having four sections. It also includes six Prakrit languages.

The founder of hindi grammar: Damodar Pandit

John Jeshua Kettler (1659–1718), was a Dutch-speaking Kettler. He came to Surat, India for business. He traveled from Surat to Delhi, Agra and Lahore. He learned Hindi and wrote Hindustani grammar in Dutch.