New Delhi, Aug 12 (TIWN): Emphasising that investigation plays an important role in ensuring justice to the victim, Home Minister Rajnath Singh on Friday said that police stations must be modernised as the initial investigation takes place there. "We have to modernise police s tations to ensure effective investigation," the Home Minister said after inaugurating a two-day national conference of investigators here.He also asked police forces across the country to treat victim and witnesses "well" as they come seeking justice. "The victim and the witness should be treated well by police," he said, adding that the central government has taken various steps to ensure speedy justice to victims. The conference, aimed to discuss investigation in economic, cyber and organised crimes, is being attended by officials from the central government and the states.