Ujjain : Former Minister of State Babulal Malviya expressed dissatisfaction with the police investigation being carried out in his wife’s murder case on Sunday. Malviya also cleared the air about his relation with accused Kailash Malviya and said that accused is being termed as my nephew in media reports but he had never met with him. Malviya alleged that police is not investigating the murder case of his wife Chandabai Malviya properly and alleged police for lackadaisical attitude over the investigation. Malviya said according to the theory of police Kailash Malviya stabbed his wife to death but single accused cannot commit such a gruesome offence and speculated that more than one accused had committed the crime. Chanda Bai Malviya was murdered by Kailash Malviya when she was alone at her home at Saraswati Nagar, Tarana on the evening of October 27.