Sexual attack and nuisance on planes happens everywhere, unfortunately, and India has been grappling with such crimes in general. The U.S. State Department advises women not to transport alone in a country: “Travelers should be wakeful that there have been reported cases of passionate assault, including rape, of U.S. adults roving via India,†a agency’s website says. “U.S. citizens, quite women, are cautioned not to transport alone in India.â€
Article source: http://www.huffingtonpost.com/entry/women-fliers-india_us_59808708e4b0d6e28a1095eb?section=us_travel