He also served in medical charge of the Second European Bengal Fusiliers during the siege of Delhi and received the medal.

[7] Hare who had observed military action with the British forces in Afghanistan in 1839, used quinine to treat soldiers near the Nepal border.

[7] In 1847, Hare published his findings in a pamphlet which caused a great sensation throughout the medical community in India.

Hare's system of using quinine to treat fever in malaria was supported by the Medical Board and was used throughout India.

[8] Over a period of nine years, he treated 7,000 European soldiers with quinine and recorded a mortality rate of less than 0.5 percent.

[11] Historian James Gregory has noted that Hare's diet consisted of "two daily meals of toasted or unleavened bread, weak tea, vegetables cooked in butter, farinaceous puddings and fruit.