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 These Rules have been brought out following detailed discussions and consultations with a wide spectrum of stakeholders including civil society, industry bodies, relevant Central Government Ministries and State Governments.

Releasing the Rules the Minister of Environment and Forests, Mr. Jairam Ramesh said "It is impractical and undesirable to impose a blanket ban on the use of plastic all over the country. The real challenge is to improve municipal solid waste management systems. In addition to the privatization and mechanization of the municipal solid waste management systems we must be sensitive to the needs and concerns of the lakhs of people involved in the informal sector’’.

ICICI Fellows is a pioneering leadership programme where the Fellows spend two years working on grassroots development projects with NGOs interspersed with modules on management training and leadership development. The entire experience provides Fellows with knowledge, insight and commitment to inclusive growth.

It attempts at compiling information on various component processes of hydrology and their interaction. The report has been divided into nine chapters dealing with different aspects of hydrology.

Like other sciences, the science of water too was well developed in ancient India. The report regrets that at present sufficient attention is not paid to our ancient Indian sciences. The study of Sanskrit literature indicates valuable references to hydrology and important concepts of modern hydrology are scattered in various verses of Vedas, Puranas, Meghmala, Mayurchitraka, Vrhat Sanhita and various other ancient Indian works. 

Some of the key references are as follows –

• In vedic age, Indians had developed the concept that water gets divided into minute particles due to the effect of sun rays and wind. At various places in the Puranas it is alluded that water cannot be created or destroyed and that only its state is changed through various phases of hydrological cycle.
• Evaporation, condensation, cloud formation, precipitation and its measurement were well understood in India in vedic and puranic times.
• Effect of yajna, forests, reservoirs etc., on the causation of rainfall, classification of clouds, their colour, rainfall capacity etc, forecasting of rainfall on the basis of natural phenomenon like colour of sky, clouds, wind direction, lightning, and the activities of animals was well developed in ancient India well before 10th century BC.
• Contrivances to measure rainfall were developed during the time of Kautilya (4th century BC) which had the same principle as that of modern hydrology except the fact that weight measure (of drone, paia etc.,) were adopted instead of modern linear measurement of rainfall.
• Scientific facts like arid region of Tibetan rain shadow area and no rainfall by polar winds was discussed in the puranas. The knowledge of monsoon winds and height of clouds along with the division of atmosphere was well developed in vedic age.
• The technique of knowing the slope of an area by means of a flowing river and dimensions of meandering rivers along with velocity of flow were developed.
• In ancient times, Indians had well developed concepts of groundwater occurrence, distribution and utilization. Literature also reveals that hydrologic indicators such as physiographic features, termite mounds, soils, flora, fauna, rocks and minerals were used to detect the presence of groundwater.
• Variation in the height of water table with place, hot and cold springs, ground water utilization by means of wells, well construction methods and equipment are fully described in chapter 54 of Vrhat Sanhita (Bruhat Samhita) named as ‘Dakargala’. The fact that sun rays, winds, humidity, vegetation etc are the major causes of evapotranspiration was well realized.
• Varamihira in as early as 550 AD presented a simple method for obtaining potable water from a contaminated source of water. Various plant materials along with the sun heating, aeration, quenching of water with fire heated stones, gold, silver, iron or sand were used. The change in the quality of water with the months of year and suitability of water from different sources for various uses were described.
• Efficient water use, lining of canals, construction of dams, tanks, essential requirements for the construction of good tanks, bank protection methods, spillways and other minor aspects were given due consideration in ancient times in India.
• Well organized water pricing system was prevalent during the times of Kautilya.
• Various references are available in the Vedas alluding the importance of efficient water use so as to reduce the intensity of water scarcity and drought.

1. Meaning of Ground Water

• Water located beneath the ground surface.

 Groundwater is stored in and moves slowly through layers of soil, sand and rocks called aquifers. Aquifers typically consist of gravel, sand, sandstone, or fractured rock, like limestone.

Of these, as many as 36 reservoirs are having significant hydro-power benefits with installed capacities of more than 60MW each. The combined live storage in these 81 reservoirs at the beginning of monsoon, i.e. June 1, 2010 was 14% of their designed capacity and stood at 60% of designed capacity as on January 27, 2011. The present storage is 137% of last year’s storage and 145% of last 10 years average storage during the same period. Out of these 81 reservoirs there are presently 15 reservoirs where this year’s storage is less than 80 % of the average of previous 10 years and in remaining 66 reservoirs the storage is more than 80% of the average of previous 10 years.