Complex sentence: Konijeti Rosaiah, former state finance minister, became the Chief Minister on 3 September 2009, who resigned on 24 November 2010 on the grounds of increased work pressure.
Split into simpler sentences: Konijeti Rosaiah, former state finance minister, became the Chief Minister on 3 September 2009. On 24 November 2010, Rosaiah submitted his resignation on the grounds of increased work pressure.