Kakinada: Communist Party of India state secretary K. Ramakrishna on Tuesday demanded that police authorities suspend and arrest sub-inspector R. Sivaji for torturing a Dalit youth Vaddi Venkata Prasad in Kadiyam police station. Ramakrishna, along with Andhra Pradesh Human Rights Association honorary president Muppalla Subba Rao, AITUC state president Ravulapalli Ravindranath, CPI district secretary Tatipaka Madhu, CPI associate secretary K. …