https://www.prepdev.in/upsc-mains-pyqs-english-1/modern-indian-history-from-about-the-middle-of-the-eighteenth-century-until-the-present--significant-events%2C-personalities%2C-issues. 2024-06-02 https://www.prepdev.in/upsc-mains-pyqs-english-1/indian-culture---salient-aspects-of-art-forms%2C-literature%2C-and-architecture-from-ancient-to-modern-times. 2024-05-26