Company's exhibit containing working model open cast coal mine displayed mining machinery like dragline, dozer, driller, shovels and surface miner, a company release said.
All these highlight the environment-friendly mechenised mining practices in MCL, which is the highest coal supplier in the country.
While Chief Minister Naveen Patnaik had inaugurated the three-day Make In Odisha Conclave exhibition on November 30, MCL's CMD A K Jha opened for visitors' viewing the company's stall at the expo.
It is the biggest exhibition aimed at attracting enterprises towards Make in Odisha.
This flagship subsidiary company of 'Maharatna' Coal India Limited is a top contributor for socio-economic development of Odisha, with huge plans of investing over Rs 20,000 crore in coal mining and infrastructure development in the state, the release said.
MCL was the highest investor under CSR in Odisha with expenditure of Rs 184 crore during the financial year 2015-16, it added.