Type of Digital Certificate

Organization wise :

Railways
 Neyveli Lignite
BHEL
Defence, Navy, Ordinance Factory
 SAIL
NRL
NTPC
MMTC
Garden Reach eTender
Coal India Limited & All Subsidiaries
AIR India
MSTC
CPWD
Damodar Valley Corporation (DVC)
GAIL (India) Ltd
Balmer Lawrie
BEML
Hindustan Aeronautics Limited (HAL)
PMGSY
DGSND
National Highway
Karnataka Government
Hindustan Petroleum corporation Limited (HPCL)
Kolkata Metropolitan Development Authority (KMDA)
Howrah Improvement Trust (HIT)
Public Works Department (PWD)
Government Of Madhya Pradesh
Government Of Chhattisgarh
 Government Of Assam
 Government Of Maharashtra
Department Of Atomic Energy
 New Delhi Municipal Council
 Hindustan Petroleum
NTPC-National Thermal Power Corporation Ltd
 Power Grid Corporation of India
 National Highways Authority of India
Bharat Petroleum Corporation Limited (BPCL)
 Bharat Heavy Electricals Ltd., (via Mjunction)
 Association of State Road Transport Undertakings ASRTU
Bharat Sanchar Nigam Limited BSNL
 Centre for Development of Imaging Technology CDIT Kerala
 Union Territory of Lakshadweep UTL
Uttarakhand Power Corporation Limited UPCL
 Tehri Hydro Development Corporation Limited THDC
 JIPMER
Jawaharlal Nehru Port Trust JNPT
 Mangalore Refinery and Petrochemicals Limited
 Government of Andhra Pradesh & its departments
Northern Railway eProcurement
 DGS&D
ONGC - Oil & Natural Gas Corporation Ltd
ISRO - Indian Space Research Organization
 IFFCO
 South Central Railway
BEST (Mumbai)
 Indian Ordnance Factories
 Electronics Corporation of TamilNadu
Director General Naval Projects Visakhapatnam
 KTDFC
 Cochin Port Trust CPT
Indian Institute of Management Bangalore IIMB
 Delhi Development Authority DDA
 Container Corporation of India Limited CONCOR
Satluj Jal Vidyut Nigam Limited
 Kerala State Civil Supplies Corporation Ltd KSCSC