• NHPC, TDLP III, RAMBI

• DON BOSCO SCHOOL, SILIGURI

• DON BOSCO SCHOOL, MIRIK

• YARAB PVT. LTD., BHUTAN

• MEGHA PVT. LTD., BHUTAN

• ROYAL INSURANCE CORPORATION BHUTAN LIMITED, BHUTAN

• PARAMOUNT HOSPITAL, SILIGURI

• RAMKRISHNA NURSING HOME, SILIGURI

• APOLLO CLINIC, SILIGURI

• RELIANCE INFOCOM, SILIGURI

Certificate No. : 1080605