| Vendor Name | Contact Person | Contact No | Email-ID | Remarks |
| INTERNET | ||||
| Sify Technologies | Customer Care | 18004192929 | support@sifycorp.com | Network related issue |
| Sify Technologies | Abhijit Das | 9836330606 | abhijit.dass@sifycorp.com | Billing/Renewal issue |
| Meghbala Broadband | Sudip Bala (TIG-DN25) | 9874541134 | sbala@technoindiagroup.in | Network related issue |
| Meghbala Broadband | Saran Guha – PMPL | 9007774104 | Data unavailable | Network related issue |
| Alliance Broadband | Subhas Basu – MSIT | 9830127585 | subhas7309@yahoo.com | Monthly Renewal issue |
| Alliance Broadband | Sanjib Bhar | 8420470115 | abspl@alliancekolkata.com | Network related issue |
| PRINTER | ||||
| Green Earth Technologies | Data unavailable | No Data | Data unavailable | Cartridge Refilling issue |
| Saviour Infotech Pvt. Ltd. | Prasanta | 8981071924 | admin@saviourinfo.co.in | Cartridge Refilling issue |
| Con Global Service Pvt. Ltd | Chandan Roy Chowdhury | 8013093537 | Data unavailable | Printer Repairing issue |
| UPS | ||||
| Dynamic Marketing | Pradipta Dutta | 9831034414 | dynamic.marketting@gmail.com | Kirlosker UPS issue |
| DeeCee Electro System | Arunava Roy | 9830031957 | aroy@deeceeups.net | Delta/GreenPower UPS |
| DeeCee Electro System | Asto Da -Technician | 9836901157 | Data Unavailable | Delta/GreenPWR repair |
| TELEPHONE / NETWORK CABLING & INTERCOM | ||||
| S.G. Infotech | Gouranga Dey | 8697141364 | sginfotech_cal_08@yahoo.com | Phone/ Lan Cabling |
| S.G. Infotech | Sanjoy Da | 8017356115 | sginfotech_cal_08@yahoo.com | Phone/ LanCabling |
| S.G. Infotech | Bubai | 9748036865 | sginfotech_cal_08@yahoo.com | Phone/ Lan Cabling |
| IT PERIPHERALS & ANTIVIRUS | ||||
| IT Zone | Santanu Halder | 8697141364 | santanu2764@gmail.com | All Types of IT Peripherals |
| Skytel Teleservices | Nilendu Sekhar Chakraborty | 9038800038 | nilendu.sc@skytelteleservices.com | All Types of IT Peripherals |
| SAKRI | Sayan Bose | 9748765793 | sayan@sakri.in | ESET Antivirus – Sales |
| SAKRI | Chetan | 9272222082 | chetan@sakri.in | ESET Antivirus Tech Support |