Summary: The handbook to study the Rigveda by Dr. P. Peterson provides critical insights into the Seventh Mandala of the Rigveda. The text includes various corrections and annotations regarding the verses, pointing out variations in readings from different manuscripts and commentaries. The commentary by Sayana and other scholars offer explanations and interpretations of the text, assisting in its understanding and analysis. The detailed analysis covers various aspects of the verses, highlighting nuances in language, grammar, and context. The manuscript discrepancies and conjectural emendations are discussed, shedding light on the complexities of studying ancient texts like the Rigveda. Overall, the text serves as a valuable resource for scholars and researchers delving into the profound insights of one of the oldest scriptures, the Rigveda.