Name Panini's work on Sanskrit Grammar:

Ashtadhyayi

The correct answer is Option (2) → Ashtadhyayi

Ashtadhyayi of Panini was composed around c. 500 BCE. It is a work on Sanskrit grammar.

The term "Ashtadhyayi" literally translates to "Eight Chapters. Panini's Ashtadhyayi is considered the foundational text of Sanskrit grammar.

Remaining options:

Option 1- Tipitaka- The Tipitakas are sacred books of Buddhists.
Option 3- Sushruta Samhita - Sushruta Samhitas is a work on medicine in Sanskrit.
Option 4- Dharmasutras- The Dharmasutras and Dharmashastras contained guidelines regarding the ideal "occupations" for each of the four varnas or categories.