Books that can help you learn Modern Indian History for UPSC From the UPSC exam perspective, I recommend UPSC aspirants to depend onModern Indian History by Sonali Bansal and Snehil Tripathifor preparation. Even though a bit heavy, this book is highly reader-friendly and helps aspirants cover ...
In 628 AD, Indian mathematician Brahma Gupta introduced the idea of zero for the first time. The most significant mathematical breakthrough in history was the creation of the notion of zero. The astronomical observatory at Ujjain was led by Brahma Gupta. ...