As Delhi and Agra came under the rule of Ibrahim Shah Suri, only the territories from the vicinity of Agra to Bihar remained under Adil. Shamsuddin Muhammad Shah already declared independence of Bengal in 1554.
During Ibrahim Shah Suri's rule over Delhi and Agra, the areas around Agra to Bihar were still governed by Adil. Meanwhile, Shamsuddin Muhammad Shah had already proclaimed independence for Bengal in 1554.