"Keeping forthcoming elections in mind they are making such false allegations. Is there any evidence for it?" Siddaramaiah told reporters here.
"They are making false allegations, BJP, by lying, is trying to destroy the harmony in the society," he added.
RSS worker Rudresh (35) was hacked to deathallegedly by two motorcycle-borne men on October 16. He was with hisfriends after attending a Sangh event when the incidentoccurred.
She had alleged that Baig got Rudresh killed by giving contract to halt his personal growth and also that ofthe organisation in Shivajinagar area, which he represents in the Assembly.
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Terming Karandlaje's allegations as "false and a publicity stunt", Baig had said he was contemplating filing a defamation case against her.
He also said he was ready for a CBI or NIA enquiry.
Five persons, including the Popular Front of India(PFI) Bengaluru chief, have been arrested so far in connection withthe Rudresh murder case.