Describe any three features of 'National Waterway No. 3' of India.
(i) The National Waterway No. 3 stretches from Kottapuram to Kollam. It is a backwater.
(ii) The total length of this National Waterway is 205 km and it opened on February 1,1991.
(iii) The specification of this waterways is that it includes 168 km of west coast canal along with Champakara canal (23 km) and Udyogmandal canal (14 km).