Here are the latest developments:
The National Investigation Agency (NIA), the country's top counter-terrorism arm, will investigate the low-intensity blast which occurred just after 8:30 pm outside the Coconut Grove restaurant on Church Street off MG Road, which was packed with Sunday evening crowds.
Police said the improvised explosive device - which used ammonium nitrate and was fitted with a timer device - had reportedly been placed in a drain on the roadside.
"We have stepped up our vigil and intensified patrolling across the city to prevent further incidents in view of the New Year's Eve festivities," Bangalore Police Commissioner MN Reddi told reporters.
Union Home Minister Rajnath Singh tweeted to say he had spoken to Chief Minister Siddaramaiah and that Centre was "ready to provide all help".
Mr Siddaramaiah, who visited the blast site last evening, has called a high-level meeting today. "Police were on high alert. Inspite of this, it has happened," he said on Sunday.
The victim, 38-year-old Bhavani - a resident of Tamil Nadu - was walking past the restaurant when she suffered shrapnel injuries to her head and neck after the bomb went off. She died soon after being taken to the hospital. Her relative, Karthik, suffered minor injuries but is condition is stable now. Two others - Vinay and Sandeep - are undergoing
treatment at HOSMAT hospital.The Chief Minister has announced a compensation of Rs five lakh to the kin of the woman who was killed in explosion.
The police, which has requested for calm, said the situation was under control. Additional police forces have been mobilised in the city, where the threat perception had been high in view of the year-end festivities.
Over the years, Bengaluru has been subject to several blasts, the worst being the serial explosions in 2008 in which one person died and 20 were injured. The last attack took place in November 2013 outside the state BJP office, in which 16 people were injured.
Bengaluru, which was formerly known as Bangalore, has been on a general alert since police last month picked up a young engineer, Mehdi Masroor Biswas, for allegedly running a pro-Islamic State Twitter account, @ShamiWitness, that had tens of thousands of followers worldwide.
On Amit Mishra's "Will Naveen-Ul-Haq Ever Respect Virat Kohli" Remark, Afghan Star's Fiery Response Bengaluru Doctors Treat Iraqi Patient With 11 cm Large Abdominal Aneurysm Dosa For Rs 20, Idli For Rs 10: X User's Post Showing Bengaluru Restaurant's Prices Leaves Internet Shocked Why BJP Lost Lok Sabha Polls In Uttar Pradesh - 6 Reasons In Party Report World's Largest Isolated Tribe Makes Rare Appearance In New Footage Puja Khedkar's Father Was Suspended Twice On Extortion Complaints "NEET-UG Re-Test Only If Sanctity Lost On Large Scale": Supreme Court "Former Weight Of 120 Kg": Doctor Shares How Weight Loss Changed Her Life Experts Develop Breakthrough Anti-Ageing Drug That Extends Lifespan by 25% Track Latest News Live on NDTV.com and get news updates from India and around the world.