Need Khan Sir Patna Contact Number for course inquiries or support?** Khan Sir, famous for his powerful teaching style and massive online presence, runs Khan GS Research Centre in Patna. Whether you're planning to join offline classes or need guidance for online batches, calling the right contact number ensures proper assistance. Students across India trust Khan Sir for SSC, UPSC, an... https://www.cctfpn.com/2021/05/khan-sir-patna-contact-number-biography.html