The CPI-M leader was making "baseless" statements based on certain isolated incidents of crime which happened in Thiruvananthapuram district recently, Chennithala told reporters here.
"Incidents of murder have come down in the state now when compared to the figures in the last few years," he said.
Quoting Central Crime Bureau records, Chennithala said Kerala stands first in maintaining law and order and also in conviction rates.
After 'Operation Suraksha' was launched in Feberuary 2015 against anti-social elements, 1.38 lakh offenders have been arrested so far, he said.
Also Read
"I am of the opinion that Senkumar is an efficient police officer in the state," Chennithala added.
Asked about bribery charges levelled against him by hotelier Biju Ramesh, he said "an effort is on to topple this government by tarnishing the image of UDF leaders."
"I want to tell those who are behind this move that their effort will not succeed," he said, adding, "a section of media is also trying to pull dowm this government."
Chennithala said he would initiate legal steps against Biju Ramesh for levelling "baseless charges.