National Investigation Agency on Thursday released pictures of 10 accused and sought information about them from the public.
Once the perpetrators are identified, look out notices will be issued against them, said officials.
According to the NIA, the case was registered after an attack on the Indian consulate in the US city during the intervening night of March 18-19 when some pro-Khalistan entities allegedly trespassed into the consulate and tried to burn it down. The same day, Khalistani supporters, raising slogans, had broken through the makeshift security barriers raised by the San Francisco Police and put up two so-called Khalistani flags on the consulate premises, damaged the building and assaulted and injured the officials, said an NIA in a statement.
On the July 1-2 night, some accused persons trespassed into the consulate and attempted to set it on fire while officials were inside the building, it said.
The NIA initiated a probe into the matter after registering a case on June 16 under various sections of the Indian Penal Code, Unlawful Activities (Prevention) Act and the Prevention of Damage to Public Property Act.
A team of NIA visited San Francisco in August in connection with investigations into the case.
India has also intensified its efforts to engage the political leadership overseas to deter and counter the growing network of Sikh radicals across the United States, Australia, Canada and UK, said home ministry officials.
On Thursday, the NIA, in three separate 'request for identification and information' notices against the wanted accused, sought information that could lead to the arrest or apprehension of the accused. While two of the notices carry photographs of two accused each, the third notice shows