In 2015, the total number of consignments refused was 43.
"Main reasons for such import refusals/rejections are presence of pathogenic bacteria and banned veterinary drug residues (antibiotics) in aqua cultured shrimp," Commerce and Industry Minister Nirmala Sithraman said in a written reply to Rajya Sabha.
She said the ministry has taken remedial measures to bring down the rejections and the steps include operating a nationwide network of ELISA labs and sophisticated quality control labs.
Replying to a separate question, she said India has demanded special and differential (S&D) treatment in fishery subsidy disciplines being negotiated at the WTO so that small and marginal fisherman get exempted.
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Replying to another question, the minister said the intellectual property right chapter in the proposed Regional Comprehensive Economic Partnership (RCEP) agreement has not yet been finalised.
The 16-member bloc RCEP comprises 10 ASEAN members (Brunei, Cambodia, Indonesia, Malaysia, Myanmar, Singapore, Thailand, the Philippines, Laos and Vietnam) and their six free trade agreement partners -- India, China, Japan, Korea, Australia and New Zealand.
RCEP negotiations were launched in Phnom Penh in November 2012. The 16 countries account for over a quarter of the world's economy, estimated to be more than USD 75 trillion.