Which is not a traditional method of diverting water to fields from wells, lakes and canals?

Correct option is D

The correct answer is Drip system.
(a), (b), and (c) - Pulley, Dhekli, and Rahat - are all traditional methods of diverting water to fields, (d) Drip system is a modern irrigation technique, making it the correct answer. 
Additional Information
· Pulley: A traditional method where water is lifted from a source using a rope and pulley system. 
· Dhekli: A traditional method that involves manually lifting water from a well using a bucket and rope. 
· Rahat: A traditional method that utilizes a lever system powered by animals to lift water from a source. 
Information Booster
Drip irrigation delivers water directly to the roots of plants through a network of small tubes, minimizing water waste and allowing for more efficient irrigation.