Read the following statements related to Indira Gandhi Canal Project carefully and choose the correct option :
(i) Indira Gandhi Canal project was conceived by Kanwar Sain in 1950 and it was launched in 1961.
(ii) Introduction of canal irrigation has brought perceptible changes in the agricultural economy of the command area.
(iii) Spread of canal irrigation has led to increase in cultivated area and crop intensity.
(iv) Traditional crops of jowar, bajra has been replaced by rice and wheat etc.