Initially it appeared that India had escaped from the Swine flu, however more recently there have been several cases of travelers being affected by the Swine flu (H1N1 flu). Most of these travelers are returning from impacted countries like the USA and Canada. While it is always recommended that you purchase visitor travel insurance, the ongoing pandemic only strengthens the case for travel insurance, and it is extremely risky to travel without insurance.
In light of the current pandemic, there have been many questions regarding coverage for the Swine (H1N1) flu for travelers. American visitor insurance which offers insurance for visitors to USA and Canada offers plans that will cover the Swine Flu, however the insurance should be effective before the sickness occurred.