The changes in the Aam Aadmi Party's organisation structure promised after its debilitating defeat in the Delhi municipal elections this week could go right up to the top, senior AAP leader Kumar Vishwas indicated on Saturday. In an interview to NDTV, the 48-year-old said the party was doing well under the leadership of Delhi Chief Minister Arvind Kejriwal but he too needed to "shift" some of his work to others.