Major districts in India known for UPSC coaching centers include New Delhi, particularly areas like Mukherjee Nagar and Karol Bagh, which are popular for numerous institutes. Other notable cities are Hyderabad, which has several renowned coaching centers, and Allahabad, considered a traditional hub for UPSC preparation. Additionally, Bangalore and Patna have emerged as important centers, hosting a variety of coaching options for aspirants. The competitive atmosphere in these locations aids in serious preparation for the UPSC exam.