The National Investigation Agency (NIA) is carrying out raids at six locations in Punjab in connection with the abduction of former Gurdaspur Superintendent of Police Salwinder Singh. <br/><br/>NIA teams are searching four locations in Gurdaspur and two locations in Amritsar. These locations are associated with Salwinder Singh and his two companion in the car on January 31st night. Mr Singh, has already been questioned by NIA teams.