"The government had Intelligence reports that the BJP might carry out attacks in some parts of the state to divert the attention from BJP's medical college scam," Vijayan said in the Kerala Assembly here.
Stressing on the same, Vijayan said the government took precautionary measures to control this and is ready to handover the case of the RSS worker's murder to the Central Bureau of Investigation (CBI) if necessary.
He also informed that the internal probe report conducted by the BJP will also be considered by Vigilance investigation team.
This comes amid chaos in the state over the killing of Rashtriya Swayamsevak Sangh (RSS) worker.
Earlier on Sunday, Union Minister Arun Jaitley met the grieving family members of RSS worker Rajesh Edavakode, who was killed during political clash in Kozhikode.
Addressing a gathering after meeting Rajesh's kin, Jaitley condemned the dastardly attack and said that "even enemies would not be as brutal as those who are involved in the murder".
"I visited the family of our deceased karyakarta, who was slaughtered in the most barbaric manner...he was an ideal karyakarta..This kind of violence will neither suppress ideology in Kerala nor it will be able to scare our workers. It will only increase their determination to work harder against those who are perpetuating this operation," he added.
"He belonged to the weaker section of the society. . Rajesh belonged to a poor family and now his family has no means of a livelihood. He was stabbed mercilessly and there were 70-80 wounds inflicted on his body, even enemies would not be as brutal as those involved in the murder. In the past few months party officers are being attacked, our workers are being attacked and their houses are being set ablaze," he added.
A series of clashes between CPM and BJP-RSS activists had rocked Thiruvananthapuram last month in which the 34-year-old RSS worker was murdered in Kozhikode.
Earlier, the RSS urged the Central and state Government to take strict action towards bringing this series of murders to an end in Kerala.
"Centre must intervene in state sponsored violence in Kerala," said RSS Joint General Secretary Dattatreya Hosabale
RSS also passed a resolution in RSS Akhil Bharatiya Karyakari Mandal meet regarding these attacks on the RSS by CPM cadres in the state.
Eight suspects were detained in connection with the murder.
The National Human Rights Commission (NHRC) on July 4 issued notice to Kerala Government over growing incidents of political violence in the state and sought a report on the issue within four weeks.
The Commission also asked the State Chief Secretary and Director General of Police to take effective measures to stop such incidents.
As per reports, Kerala BJP general secretary M.T. Ramesh, name figures in the report of the medical college scam.
It has been alleged that the owner of a medical college in Trivandrum district had paid Rs 5.60 crore as bribe to Kerala-based BJP leaders for influencing the Medical Council of India (MCI).