Suggest any two ways for conservation of water and mention any three traditional methods of doing so.

Ways for conservation of water:

1. Use of modern irrigation methods such as drip or sprinkler irrigation.
2. Rational use of groundwater.

Traditional methods of conservation of water:

In traditional methods of rainwater harvesting, water is not only stored, but also used to recharge the groundwater.

Region	Traditional water harvesting structures
Rajasthan	Tanks, Khadins, Nadis
Maharsahtra	Tals, Bandharas
Bihar	Ahars, Pynes
Uttar Pradesh and Madhya Pradesh	Bundhis
Himachal Pradesh	Kuhls
Kerala	Surangams
Kandi belt of Jammu region	Ponds
Karnataka	Kattas

These traditional water conservation methods had been developed in India considering the nature of rainfall in different regions, but the increasing population necessitated extension of agriculture, leading to deterio­ration of these traditional sources.