“काणादं पाणिनीयं च सर्वशास्त्रोपकारकम्”
(Tarka and Vyakarana are helpful for the study of all shaastras)
This is a popular saying which highlights the importance of studying Paninian Grammar. A basic knowledge of grammar is essential for all students who wish to study any literature or shaastra in Sanskrit. Laghu Siddhanta Kaumudi by Varadaraja is one of the most popular entry level texts for Paninian Grammar.
Laghu Siddhanta Kaumudi was authored by Varadaraja, a student of Bhattoji Dikshita. Bhattoji Dikshita’s monumental work, Vaiyakarana Siddhanta Kaumudi, is one of the foundational texts of Vyakarana, where all the sutras of the Ashtadhyayi are discussed with explanation and examples.
Varadaraja condensed and abridged the elaborate and detailed Siddhanta Kaumudi to create the Laghu Siddhanta Kaumudi, for the use of beginners and students of other shaastras who wish to gain basic knowledge of Paninian system. Laghu Siddhanta Kaumudi contains 1270 sutras (about 30% of the total number) and covers the basics of all prakaranas/topics. Therefore, it is popularly included in the syllabus of many undergraduate courses in Sanskrit.