This book explains Sanskrit grammar. The first of a set of 4 volumes, it illustrates the rudiments of the use and application of the sutras of Panini's Ashtadyayi to the present-day student. The author has laid out the application of the sutras in simple English with examples that are easily understood. This first volume explains the following - The Sanskrit alphabet - Pratyaahaar sutras; guna and vriddhi; General tense affixes, the Present Tense; conjugations of the roots of the Bhvadi, Divadi and Tudadi classes; General Case affixes; declensions of the masculine and neuter Pratipadik bases; rules of Sandhi; relation of words in a sentence. The next three volumes will go into greater details as listed in the present book on the last page.