In late May, President Sirisena told diplomats -- from Australia, Canada, Japan, the US and European states -- the security situation was '99 per cent back to normal' and he would allow the emergency laws to lapse by June 22.
After carrying out searches at seven locations in the city on Wednesday, the NIA had detained six people for questioning and arrested prime accused Mohammed Azarudeen, who was a Facebook friend of Sri Lankan Easter Day blasts mastermind Zahra Hashim.
External Affairs Minister Sushma Swaraj said India is open to ideas on how we can make the work of Regional Anti-Terrorism Structure (RATS), which specifically deals with issues relating to security and defence, more effective.
Efforts are on at the diplomatic level to get the two prominent members of the National Thawheed Jamath (NTJ), which carried out the Easter Sunday suicide attacks on April 21, arrested and deported to Sri Lanka.
"Considering the current situation in the country, we have reviewed the visas system and took a decision to tighten visa restrictions for religious teachers," Sri Lanka Home Affairs Minister Vajira Abeywardena said.
While the Easter blasts that targeted Christians in Sri Lanka reveal a well orchestrated mechanism of planning and execution, the government's failure to curb this bloodshed despite having credible information is even more worrying.