Option 1: Sarkaria Commission - The Sarkaria Commission was a body appointed in 1983 to examine the relationship and balance of power between the Union and States in India. It made recommendations on various issues, including the appointment and removal of Governors. Therefore, the Sarkaria Commission has indeed examined the issue of removal of the Governor of a State.

Option 2: Thakkar Commission - The Thakkar Commission is not a well-known commission, and there is limited information available about its mandate and findings. However, it is not known to have specifically examined the issue of removal of the Governor of a State. Therefore, this option could be a correct answer.

Option 3: Venkatachaliah Commission - The Venkatachaliah Commission was set up in 2002 to review the working of the Indian Constitution. While it discussed various aspects of Center-State relations, there is no evidence to suggest that it specifically examined the issue of removal of the Governor of a State.

Option 4: Punchhi Commission - The Punchhi Commission, also known as the Commission on Centre-State Relations, was constituted in 2007 to examine the evolving relationship between the Union and the States. One of its terms of reference was to review the working of the