Central Government संपर्क नंबर
आधिकारिक फ़ोन नंबर, टोल-फ़्री हेल्पलाइन और ईमेल आईडी के साथ 260 लिस्टिंग। अपडेट: October 2026।
- CPWD Manipur0385-2455095
- CPWD Meghalaya0364-2220257
- CPWD Mizoram0389-2330845
- CPWD Odisha0674-2352443
- CPWD Puducherry04368-266003
- CPWD Punjab0181-2921584
- CPWD Rajasthan0141-2232776
- CPWD Sikkim03592-234567
- CPWD Tamil Nadu044-24465169
- CPWD Telangana040-24656846
- CPWD Tripura0381-2952139
- CPWD Uttar Pradesh0522-2324544
- CPWD Uttarakhand0135-2712359
- CPWD West Bengal033-22807852
- CSC Digital Seva00086 13
- CSIR Indian Institute Of Petroleum (CSIR-IIP)0135-2525766
- CSIR Madras Complex044-2254 9201
- CSIR-Indian Institute of Toxicology Research0522-2613357
- CSIR-National Botanical Research Institute (NBRI)0522-229 7802
- CSIR-URDIP020-25882813