
1) Hindu saint
Found on
https://www.crosswordclues.com/clue/drona

In the epic Mahābhārata, Drona (द्रोण, {IAST|droṇa}) or Dronacharya (द्रोणाचार्य, {IAST|droṇācārya}) was the royal guru to Kauravas and Pandavas. He was a master of advanced military arts, including the Devāstras. Arjuna was his favorite student. Droṇa`s love for Arjuna was second only to his love for hi....
Found on
http://en.wikipedia.org/wiki/Drona
[Simulator] Drona is a small-arms range training simulator for imparting realistic and cost-effective simulator based weapons training. It was developed by Simulator Development Division based at Secunderabad city in India. Simulator Development Division (SDD) was established as a nodal agency for development of simulators for Indian Army i...
Found on
http://en.wikipedia.org/wiki/Drona_(Simulator)
No exact match found.