The Indian Navy is currently assisting the Bangladeshi and Sri Lankan governments in dealing with a devastating cyclone and flood, respectively.
In previous years, India has rendered similar assistance, most notably in in April 2015, when Nepal was hit by a massive earthquake.
Also in 2015, the Indian Air Force was deployed in Yemen. During that relief effort, India rescued nationals from 41 countries apart from bringing home a large number of Indian citizens. Last July, India was quick to get its citizens out of South Sudan as well.
The Indian mainland is not very far from these disaster zones. Hence, India could deploy its military assets more effectively than in other parts of the world. The Indian military is the strongest force in the region; its geographic advantage is coupled with material capabilities like naval warships and long range aircraft.