Senior Janata Dal (United) leader Nitish Kumar, who is firm on making a comeback to silence his critics, on Friday emulated Delhi Chief Minister Arvind Kejriwal as he apologised to the people of Bihar for his 'emotional decision' to step down.br "I apologise for my mistake. Will never take such emotional decisions again and will always take the wishes of the people into consideration. We are committed to working for the development of Bihar.