| Zone | Headquarters | Divisions |
| 1. Central | Mumbai | Mumbai(CST), Bhusawal, Nagpur, Pune |
| 2. Western | Mumbai | Mumbai(Central),Vadodara, Ratlam,Ahmedabad,Rajkot, Bhavnagar |
| 3. Northern | Delhi | Ambala, Delhi, Lucknow, Moradabad, Ferozpur |
| 4. Eastern | Kolkata | Asansol, Howrah, Malda, Sealdah |
| 5. Southern | Chennai | Chennai, Madurai, Palghat, Trichy, Trivandrum, Salem |
| 6. East Central | Hajipur | Danapur, Dhanbad, Mughalsarai, Samastipur, Sonpur |
| 7. East Coast | Bhubaneshwar | Khurda Road, Sambalpur, Waltair |
| 8. North Central | Allahabad | Allahabad, Agra, Jhansi |
| 9. North Eastern | Gorakhpur | Lucknow, Izzatnager, Varanasi |
| 10. North East Frontier | Guwahati | Katihar, Alipurduar, Rangiya, Lumding, Tinsukia |
| 11. North Western | Jaipur | Ajmer, Bikaner, Jaipur, Jodhpur |
| 12. South Central | Secunderabad | Hyderabad, Nanded, Secunderabad |
| 13. South East Central | Bilaspur | Bilaspur, Nagpur, Raipur |
| 14. South Eastern | Kolkata | Adra, Chakradharpur, Kharagpur, Ranchi |
| 15. South Western | Hubli | Bangalore, Hubli, Mysore |
| 16. South Coastal | Visakhapatnam | Guntakal, Guntur, Vijayawada |
| 17. West Central | Jabalpur | Bhopal, Jabalpur, Kota |
| 18. Kolkata Metro | Kolkata | Not applicable |
Latest Post -:
“The Knowledge Library”
Knowledge for All, without Barriers…
An Initiative by: Kausik Chakraborty.
“The Knowledge Library”
Knowledge for All, without Barriers……….