Cal (India), is the authorised CFA of Hindustan Petroleum Corporation Ltd for their range of industrial lubricants and greases in Kolkata.

Cal (India) , has recorded highest total sales (across all agents) under Kolkata RO for the past 4 years with the active support from the seniors of the Corporation.

HPCL is a Government of India Enterprise with a Navratna Status, and a Forbes 2000 and Global Fortune 500 company. HPCL owns & operates 2 major refineries producing a wide variety of petroleum fuels & specialties, one in Mumbai (West Coast) of 6.5 Million Metric Tonnes Per Annum (MMTPA) capacity and the other in Visakhapatnam, (East Coast) with a capacity of 8.3 MMTPA. HPCL also owns and operates the largest Lube Refinery in the country producing Lube Base Oils of international standards, with a capacity of 428 TMT. This Lube Refinery accounts for over 40% of the India's total Lube Base Oil production. Presently HPCL produces over 300+ grades of Lubes, Specialities and Greases.

The grades manufactured by HP Lubricants find applications in automotive, industrial, mining and construction, agriculture, fishing, defence and railways among others. HP Lubricants is especially dominant in industrial oils, and has the highest market share in this segment, comprising all industrial oil applications.