The five Indians are among a group of eight people sentenced to death by Colombo High Court judge Preethi Padman Surasena for alleged involvement in heroin trafficking between India and Sri Lanka in 2011. The rest three are Sri Lankans.
However, the Indian government, which has been pursuing their case for the last four years, maintains that it has done due diligence and found them to be innocent.
While a senior MEA official spoke to the Sri Lankan High Commissioner to India in New Delhi, the Indian High Commissioner in Colombo was getting in touch with the Sri Lankan government regarding the case.
The spokesperson further said that India has been pursuing the case at two levels - legal and official - and will continue doing so.
The five fishermen, all hailing from Tamil Nadu, were apprehended in 2011 by the Sri Lankan Navy on charges of smuggling of drugs in the seas off northern Jaffna's Delft islet.
The issue of fishermen is a very emotive matter for both Sri Lanka and India, where Tamil Nadu-based parties including AIADMK and DMK have been regularly pressing the Centre to take up the matter with the Lankan authorities seriously and have often resented high-profile visits from the island nation.
Sri Lanka has been alleging that Indian fishermen regularly stray into its waters depriving local fishermen of their livelihood.
