The island nation had 3,84,628 arrivals from India market in 2017, it added.
"India continues to be our top source market. We believe that the potential of the Indian travel market is yet to realise in terms of attracting longer stay and higher spending travellers," Sri Lanka Tourism Promotion Bureau MD Sutheash Balasubramaniam said in a statement.
Sri Lanka offers travellers an array of diverse product offerings and experience spread across the small island and caters to all ages, he added.
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