Central Region (CR) | Bihar and Uttar Pradesh | Agra (3001), Prayagraj (3003), Bareilly (3005), Gorakhpur (3007), Kanpur (3009), Lucknow (3010), Meerut (3011), Varanasi (3013), Bhagalpur (3201), Muzaffarpur (3205), Patna (3206) |
Eastern Region | Andaman & Nicobar Islands, Jharkhand, Odisha, Sikkim and West Bengal | Gangtok (4001), Ranchi (4205), Kolkata (4410), Siliguri (4415), Bhubaneshwar (4604), Cuttack (4605), Sambalpur (4609), Port Blair (4802) |
Karnataka Kerala Region (KKR) | Lakshadweep, Karnataka and Kerala | Bengaluru (9001), Belagavi (9002), Hubballi(9011),Kalaburagi (Gulbarga) (9005), Mangaluru (9008), Mysuru (9009), Shivamogga (9010), Udupi (9012),Thiruvananthapuram(9211), Ernakulam (9213), Kannur (9202), Kollam (9210), Kottayam (9205), Kozhikode (9206), Thrissur (9212) |
Madhya Pradesh Sub-Region (MPR) | Chhattisgarh and Madhya Pradesh | Bhopal (6001), Gwalior (6005), Indore (6006), Jabalpur (6007), Satna (6014), Sagar (6015), Ujjain (6016), Bilaspur (6202), Raipur (6204), Durg-Bhilai (6205) |
North Eastern Region (NER) | Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland and Tripura. | Itanagar (5001), Dibrugarh (5102), Guwahati(Dispur) (5105), Jorhat (5107), Silchar (5111), Kohima (5302), Shillong (5401), Imphal (5501), Churachandpur (5502), Ukhrul (5503), Agartala (5601), Aizwal (5701) |
Northern Region (NR) | NCT of Delhi, Rajasthan and Uttarakhand | Dehradun (2002), Haldwani (2003), Haridwar (2005), Roorkee (2006), Delhi (2201), Ajmer (2401), Alwar (2402), Bikaner (2404), Jaipur (2405), Jodhpur (2406), Kota (2407), Sriganganagar (2408), Udaipur (2409), Sikar (2411) |
North Western Sub-Region (NWR) | Chandigarh, Haryana, Himachal Pradesh, Jammu and Kashmir and Punjab | Jammu (1004), Leh (1005), Srinagar (1007), Samba (1010), Hamirpur (1202), Shimla (1203), Jalandhar (1402), Amritsar (1404), Mohali (1406), Chandigarh (1601) |
Southern Region (SR) | Andhra Pradesh, Puducherry, Tamil Nadu and Telangana | Guntur (8001), Kurnool (8003), Rajahmundry (8004), Tirupati (8006), Vishakhapatnam (8007), Vijaywada (8008), Chennai (8201), Coimbatore (8202), Madurai (8204), Tiruchirapalli (8206), Tirunelveli (8207), Puducherry (8401), Hyderabad (8601), Warangal (8603) |
Western Region (WR) | Dadra and Nagar, Haveli, Daman and Diu, Goa, Gujarat and Maharashtra | Ahmedabad (7001), Vadodara (7002), Rajkot (7006), Surat (7007), Amravati (7201), Aurangabad (7202), Kolhapur (7203), Mumbai (7204), Nagpur (7205), Nashik (7207), Pune (7208), Panaji (7801) |