Refinery complexity Index

Sr. No.OrganizationRefinery LocationYear of CommissioningRefinery Complexity Index (NCI)@Name Plate Capacity (MMTPA)
1Indian Oil Corporation Ltd.Digboi19017.640.7
2Guwahati19628.41.2
3Barauni19646.116.000
4Koyali19658.9513.700
5Bongaigaon19798.442.700
6Haldia19759.868.000
7Mathura19827.198.000
8Panipat19989.4115.000
9Paradip201610.815.000
10Chennai Petroleum Corporation Ltd.Manali196510.0310.500
11Nagapattinam1993 *-0
--Total IOCL Group--80.8
12Hindustan Petroleum Corporation Ltd.Mumbai19549.29.500
13Visakhapatnam19577.613.7
--Total HPCL--23.2
14Bharat Petroleum Corporation Ltd.Mumbai19558.4712.000
15Kochi196310.915.500
16Bina201111.87.800
--Total BPCL--35.300
17Numaligarh Refinery Ltd.Numaligarh20009.13.000
18Mangalore Refinery & Petrochemicals LtdMangalore199611.6715.000
19Oil & Natural Gas Corporation Ltd.Tatipaka, AP2001-0.066
--Total PSU-9.59157.32


* Operation of Cauvery Basin Refinery (CBR) of CPCL of 1.0 MMTPA has been stopped since 01.04.2019 due to constraint in meeting product specification and to carryout project activities for new 9 MMTPA capacity refinery, planned by CPCL

# HPCL Visag Refinery Capacity augmented from 8.3 to 11.0 MMTPA w.e.f 1st April 2023

@ NCI based on OGJ WW Refining & Complexity survey 2022

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