Dredging at Thengaithittu harbour to begin in 2 weeks Updated: Updated: Helpline for fishermen for distress assistance: Fisheries Secy. Share Article Helpline for fishermen for distress assistance: Fisheries Secy. The dredging of the Thengaithittu harbour will commence in two weeks, District Collector-cum-Fisheries Secretary Purva Garg said on Thursday. Addressing a press conference at the District Collectorate, Ms. Garg said implementation of the project was in the final stages. “Dredging will start in two weeks,” she said. Briefing on the programmes for the fisheries sector, Ms. Garg said the department had a helpline (0413-2227289) set up at the Dumas Street office. The helpline could be utilised by fishermen to seek clarifications on schemes and benefits. A separate toll-free helpline would be launched soon for distress assistance, she said.