Seeing the above scenario, promoters of Magnum Diesels Pvt Ltd decided to set up a Diesels Genset assembling unit in the State Capital-Kolkata on 27th Day of October 1997(First OEA of Greaves Cotton Ltd in Eastern India).Since establishment, it has made long strides and today Magnum Diesels is one of the leading Genset Dealers with different make, in the heart of Kolkata.