In the context of the Indian defence, what is ‘Dhruv’?

Dhruv is an Advanced Light Helicopter developed and manufactured by the state owned Hindustan Aeronautics Limited. It is a multi role and multi mission utility helicopter designed for the Indian Armed Forces to perform various tasks such as search and rescue, transport, and casualty evacuation. The project was initiated in the 1980s and the helicopter entered service in 2002. It is capable of operating in high altitude environments like the Siachen Glacier and has been exported to several other countries as well. This makes option C the correct answer.