Muhammad Siraj Uddin Mia, principal secretary to chief adviser Dr. Muhammad Yunus, has submitted his resignation letter, officials confirmed. He handed over his resignation to the chief adviser on Monday afternoon. Siraj Uddin Mia was serving in the post on a contractual basis. Sources at the chief adviser’s office said his resignation has been forwarded to the Ministry of Public Administration for proper processing. The ministry will issue an official notification once the resignation is formally accepted.