Wickremesinghe will arrive in New Delhi on April 25 on a five-day visit during which he will hold talks with Prime Minister Narendra Modi to further expand ties in a range of areas.
Addressing reporters in the central town of Kandy yesterday, Wickremesinghe said he was looking forward to strengthen economic cooperation with India.
He said the development of eastern port district of Trincomalee will be discussed during the visit.
India and Sri Lanka will jointly operate the oil storage facility at the strategic eastern port town of Trincomalee.
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At least 73 of the 99 storage tanks in Trincomalee is to be managed under a new equity arrangement between the two countries, Lankan Petroleum Minister Chandima Weerakkody had said earlier.
Wickremesinghe's trip comes ahead of Modi's visit to Sri Lanka next month to take part in the celebrations marking the UN 'Vesak Day', the most important in the Buddhist calendar.
The ETCA has met with stiff resistance by trade unions and opposition groups.
The Sri Lankan Prime Minsiter has expressed his resolve to seal the ETCA before the end of this year.