"Sri Lanka launched a free 30-day double-entry tourist visa for Nepali nationals and citizens of 39 other countries, including India, China, the US, UK, and Australia, through the eta.gov.lk website. Ordinary passport holders must apply online in advance, providing a return ticket and proof of funds, with processing in 24-48 hours. The policy expands a pilot to boost tourism recovery amid economic challenges, drawing excited reactions from Nepalis who praised the island's beauty and cleanliness."
h/t
Embassy of Sri Lanka in Nepal
tweets,
"The Embassy of Sri Lanka in Kathmandu wishes to inform that the Government of Sri Lanka has introduced a free Tourist Visa (Electronic Travel Authorization – ETA) facility for nationals of Nepal."
Image source: Embassy of Sri Lanka in Nepal 
h/t
Embassy of Sri Lanka in Nepal
"The Embassy of Sri Lanka in Kathmandu wishes to inform that the Government of Sri Lanka has introduced a free Tourist Visa (Electronic Travel Authorization – ETA) facility for nationals of Nepal."