The Supreme Court of India has directed all states to implement new guidelines for police investigation. The court ruled that the guidelines should be implemented within six months and should ensure that police investigations are carried out in a fair and transparent manner. The judgment was delivered by a bench of three judges, which was hearing a petition challenging the police investigation into a murder case. The petitioners had argued that the police investigation was biased and that the accused was wrongly implicated. The court agreed with the petitioners and ruled that the police investigation was flawed. The court also directed the states to ensure that the police are held accountable for any violations of human rights during investigations. The judgment has significant implications for the functioning of the police in the country, which has been criticized for its human rights record. The court's decision is expected to bring about greater transparency and accountability in the functioning of the police and to ensure that police investigations are carried out in a fair and transparent manner. The judgment is a major victory for human rights activists, who have been arguing that the police investigation process needs to be reformed. The court's decision is also expected to have significant implications for the rights of individuals, including the right to life and liberty. The judgment has been welcomed by lawyers and activists, who have been arguing that the police investigation process needs to be reformed. The court's decision is a significant development in the ongoing debate about the need for greater transparency and accountability in the functioning of the police. The judgment is expected to have far-reaching implications for the protection of human rights in the country and is a major step forward in the protection of individual rights.