what is this MDL through Gate 2017 means?

Mazagon Dock Shipbuilders Limited (MDL), India's leading shipbuilding company engaged primarily in the building of Warships and Submarines for the Indian Navy, proposes to recruit executive trainees of mechanical and electrical disciplines. The executive trainees will be shortlisted for personal interview on the basis of Graduate Aptitude Test in Engineers (GATE) 2017 marks. To know in details, you can go through the below link- http://www.engineering.careers360.com/news/mdl-announces-recruitment-of-executive-trainees-through-gate-2017-213524 Good Luck!!!