Central Region (CR) | Bihar and Uttar Pradesh | Bhagalpur (3201), Muzaffarpur (3205), Patna (3206), Purnea (3209), Agra (3001), Bareilly (3005), Gorakhpur (3007), Jhansi (3008), Kanpur (3009), Lucknow (3010), Meerut (3011), Prayagraj (3003), Varanasi (3013) |
Eastern Region (ER) | Andaman & Nicobar Islands, Jharkhand, Odisha, Sikkim, and West Bengal | Port Blair (4802), Bokaro (4201), Hazaribagh (4204), Jamshedpur (4207), Ranchi (4205), Balasore (Odisha) (4601), Berhampore (Odisha) (4602), Bhubaneswar (4604), Cuttack (4605), Dhenkanal (4611), Rourkela (4610), Sambalpur (4609), Gangtok (4001), Asansol (4417), Kalyani (4419), Kolkata (4410), Siliguri (4415) |
Karnataka, Kerala Region (KKR) | Lakshadweep, Karnataka, and Kerala | Belagavi (9002), Bengaluru (9001), Hubballi (9011), Kalaburagi (Gulbarga) (9005), Mangaluru (9008), Mysuru (9009), Shivamogga (9010), Udupi (9012). Ernakulam (9213), Kannur (9202), Kollam (9210), Kottayam (9205), Kozhikode (9206), Thrissur (9212), Thiruvananthapuram (9211) |
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), Churachandpur (5502), Imphal (5501), Ukhrul (5503), Shillong (5401), Aizwal (5701), Dimapur (5301), Kohima (5302), Agartala (5601) |
Northern Region (NR) | 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, Ladakh, and Punjab | Chandigarh/ Mohali (1601), Hamirpur (1202), Shimla (1203), Jammu (1004), Samba (1010), Srinagar (J&K) (1007), Leh (1005), Amritsar (1404), Jalandhar (1402), Ludhiana (1405), Patiala (1403) |
Southern Region (SR) | Andhra Pradesh, Puducherry, Tamil Nadu, and Telangana | Chirala (8011), Cuddapah (8013), Guntur (8001), Kakinada (8009), Kurnool (8003), Nellore (8010), Rajahmundry (8004), Tirupati (8006), Vizianagaram (8012), Vijayawada (8008), Vishakhapatnam (8007), Puducherry (8401), Chennai (8201), Coimbatore (8202), Krishnagiri (8209), Madurai (8204), Salem (8205), Tiruchirapalli (8206), Tirunelveli (8207), Vellore (8208), Hyderabad (8601), Karimnagar (8604), Warangal (8603) |
Western Region (WR) | Dadra and Nagar Haveli and Daman and Diu, Goa, Gujarat, and Maharashtra | Panaji (7801), Ahmedabad (7001), Anand (7011), Gandhinagar (7012), Mehsana (7013), Rajkot (7006), Surat (7007), Vadodara (7002), Amravati (7201), Aurangabad (7202), Jalgaon (7214), Kolhapur (7203), Mumbai (7204), Nagpur (7205), Nanded (7206), Nashik (7207), Pune (7208) |