Congress President Mallikarjun Kharge on Wednesday expelled party MP Digvijaya Singh's brother and ex-MLA Laxman Singh from the primary membership of the Congress for period of six years. Laxman has been expelled for indulging in anti-party activities. Earlier, Laxman had termed Rahul Gandhi and Robert Vadra "naive" and claimed that the country is “suffering the consequences of their immaturity".