Consider the following statements regarding transportation and irrigation in India.

A. Sirhind canal originates from Satluj river to supply water for irrigation in Rajasthan.

B. Kerala state is bestowed with highest length of roads Km per 100 sq.km area among all states of India.

C. Buckingham canal is the part of National Waterway No.5 of India.

D. Tubewells, as mode of irrigation, provide water to the largest cultivated area of India.

Choose the correct answer from the options given below: