In a major operation, the Indian Navy intercepted a pirate mother ship, rescuing 13 crew members, and arrested 61 Somali sea brigands about 600 nautical miles off the western coast. A navy spokesperson said in New Delhi today that the pirates and their ship were being brought to Mumbai for further investigations. He added that details including as to when the operation took place were not immediately available.In January, the Navy under 'Operation Island Watch' had sunk two pirate mother ships and apprehended 43 pirates. The pirates were questioned in Mumbai by intelligence agencies for any possible terror links. The operation comes after the Cabinet Committee on Security on Friday last decided to adopt a proactive approach in dealing with sea brigands. They have held around 53 Indians as hostages in different hijacked ships. Government had ruled out negotiations with the pirates. The government is working on a tough law to deal with the piracy problem. The Navy has deployed three ships in the Gulf of Aden and the Arabian Sea to deal with the piracy menace.