West Bengal Chief Minister Mamata Banerjee on Monday alleged that the Centre was conspiring over public outcry involving the alleged rape and murder of a doctor at a state-run hospital last month. She also claimed that some Left parties were involved in it. Speaking at an administrative review meeting at the state secretariat- Nabanna, Banerjee also claimed she had never offered money to the deceased doctor's parents, dismissing a campaign that the family members of the postgraduate trainee were offered money. Banerjee urged people to "return to festivities" as Durga puja is round the corner. "I have never offered money to the deceased doctor's family, this is nothing but slander. I have told the parents that if they wanted to do something in their daughter's memory, our government is with them. I know when to speak what," Banerjee said. "This (protest following RG Kar incident) is definitely a conspiracy by the Centre and some Left parties are also involved in it. Some people are