 "Krodha" ('anger') is excessive mental turmoil on account of the obstacles in the gratification of some desire; it is manifestation of the quality of tamas (dark, negative, destructive), an undesirable psychological state.The opposite of "Krodha" is "Akrodha", and this is a productive, positive and constructive state.Bhawuk states that "akrodha" is necessary to any process of peace.