The given map shows the command area of the Indira Gandhi Canal. Answer the question that follows:

Which of the following statements is correct?

a- The total planned length of the system is 9,060 km catering to the irrigation needs of a total culturable command area of 19.63 lakh hectares. 

b- Out of the total command area, about 70 per cent was envisaged to be irrigated by lift system and the rest by flow system.

Only statement a is correct.

The total planned length of the system is 9,060 km catering to the irrigation needs of a total culturable command area of 19.63 lakh hectares. Out of the total command area, about 70 per cent was envisaged to be irrigated by flow system and the rest by lift system. The construction work of the canal system has been carried out through two stages. . The command area of Stage-I lies in Ganganagar, Hanumangarh and the northern part of the Bikaner districts. It has a gently undulating topography and its culturable command area is 5.53 lakh hectares. The command area of Stage II is spread over Bikaner, Jaisalmer, Barmer, Jodhpur, Nagaur and Churu districts covering a culturable command area of 14.10 lakh ha. It comprises desert land dotted with shifting sand dunes and temperatures soaring to 50ºC in summers