Nitish Kumar’s luggage being shifted to his new address: 7, Circular Road. Amid a huddle of officials, aides and police, former chief minister Nitish Kumar slipped into his waiting white sedan. His belongings had already been sent ahead and, after emotional farewells to staff, Nitish and his son Nishant headed to his new address — 7 Circular Road. On Friday, the Bihar Chief Minister’s official residence at 1, Aney Marg bade its longest-serving occupant goodbye, after Janata Dal (United) president Nitish Kumar vacated it following his move to the Rajya Sabha . For the residence and its staff, the shift marks a significant change: barring the brief nine-month tenure of Jitan Ram Manjhi, Aney Marg has been synonymous with Nitish for nearly two decades. Nitish first moved into Aney Marg in April 2006, months after becoming chief minister, after his predecessor Rabri Devi vacated it following the “inauspicious” month of Kharmas.…