This document provides an overview of key aspects of the Constitution of India. It notes that the Indian Constitution is the longest written constitution of any sovereign country, with 448 articles across 25 parts and 12 schedules. It draws from various international precedents and was drafted in the mid-20th century to suit India's political, social, and economic conditions. Key features discussed include its federal structure, parliamentary democracy, sovereignty of parliament and judiciary, fundamental rights and duties of citizens, and establishment of a secular and socialist republic with single citizenship and an independent judiciary.