The Madhya Siddhant Kaumudi (मध्यसिद्धान्तकौमुदी) is a foundational text in Sanskrit grammar, and the phrase you provided refers to a popular scholarly edition of this work, complete with specific commentaries.\r\n\r\n1. The Original Text: Madhya Siddhant Kaumudi\r\nAuthor: Varadarāja (circa 17th century CE).\r\n\r\nContext: Varadarāja was a direct disciple of the great grammarian Bhattoji Dikshita, author of the Siddhānta Kaumudī.\r\n\r\nPurpose: Varadarāja created three graded versions of the Kaumudi to simplify the complex rules of Pāṇini\'s Aṣṭādhyāyī for students:\r\n\r\nLaghusiddhānta Kaumudī (The Small Kaumudi): Simplest.\r\n\r\nMadhya Siddhānta Kaumudī (The Middle Kaumudi): Intermediate level, covering about 2315 of Pāṇini\'s rules with examples.\r\n\r\nBṛhat Siddhānta Kaumudī (The Large Kaumudi): Advanced.\r\n\r\nSignificance: The Madhya Siddhant Kaumudi is a standard textbook for students of Sanskrit grammar, offering a systematic presentation of the rules in a topic-wise, rather than Aṣṭādhyāyī sequence.\r\n\r\n2. The Commentaries: \'Sita\' and \'Savitri\'\r\nThe phrase \"Sita\" (सीता) \'Savitri\' (सावित्री) Sanskrit-Hindi Vyakhya indicates that this particular edition contains two key commentaries (Vyākhyā or Ṭīkā):\r\n\r\nSanskrit Commentary (\'Sita\'): This is likely a Sanskrit commentary written by a scholar (often Āchārya Shrī Sitārāma Shāstrī is associated with this name, or similar names like Pt. Kalikant Jha) to explain the technical nuances of Varadarāja\'s original Sanskrit verses.\r\n\r\nHindi Commentary (\'Savitri\'): This is a popular and simplified explanatory commentary in Hindi (called Bhāṣā-Ṭīkā). It translates the original text and the Sanskrit commentary, making the grammatical processes clear to modern students. One prominent edition features the Sāvitrī Ṭīkā by Pandit Kālīkānta Jhā.\r\n\r\nIn Summary:\r\nThis specific book is a scholarly edition of Varadarāja\'s intermediate-level Sanskrit grammar text, featuring both an essential Sanskrit gloss/commentary and a widely used Hindi translation and explanation, making it one of the most comprehensive resources for intermediate students of Sanskrit grammar.