Chitwan/kaski, June 20 -- In 2010, the Nepal Tourism Board launched a promotional campaign titled "Garmi Se Behal, Chalo Nepal"-If you want to escape the heat, take a trip to Nepal.

The campaign was rolled out ahead of Nepal Tourism Year 2011 to attract Indian visitors seeking respite from the sweltering summer temperatures across the plains of northern India. It was revived in 2016 in major Indian cities as Nepal sought to revive tourism following the devastating 2015 earthquake.

Despite extensive promotion, the campaign failed to generate the expected influx of visitors.

Now, however, a severe heatwave sweeping across northern India appears to be accomplishing what tourism marketers could not.

Indian tourists are arriving in Nepal i...