The Maharashtra government has declared high alert in Mumbai and across the rest of the State following the two blasts in Hyderabad.
Director General of Police Sanjiv Dayal confirmed to The Hindu the declaration of high alert. R.R. Patil, Home Minister, said security would be tightened in the State.
Security has been beefed up at important places such as Mantralaya, railway stations, international and domestic airport and the Bhabha Atomic Research Institute.