"India will be successful in this clean up because the highest political authority of the country has made a commitment that this is going to be done. Political will is fundamental for things to happen.
"This is the reason why we think this Ganga clean up will happen," World Water Council president Benedito Braga told reporters here.
Referring to river cleaning programmes, including that for the Seine, Thames and Rhine, Braga said all the initiatives were completed over a period of time.
India will have to augment its infrastructure as it needs intra-basin transfers and storage facilities, he said while pointing to the theory that droughts will tend to be longer and flooding more intense under the impact of climate change.
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"In such a situation, it is more important that you have the resilience through these buffers (infrastructure) that will allow you more operational flexibility," he said.
Braga also stressed on the use of technology for "minimising" the impact on environment of infrastructure creation.
Altinbilek said the Council, an umbrella body of institutions working on water issues, aims to increase its membership base in India.
During their current visit, the Council will hold discussions with the PMO, Union Water Resources Minister Uma Bharti and parliamentarians and other stakeholders, Braga said.