The President presented this year's Lal Bahadur Shastri National Award for Excellence in Public Administration, Academics and Management to Pathak at Rashtrapati Bhavan.
Speaking on the occasion, Kovind said the occasion revived memories of former Prime Minister Shri Lal Bahadur Shastri.
"He was an exceptional leader who believed in simple living and gave the slogan 'Jai Jawan Jai Kisan'," he said.
Terming Pathak as the most "deserving person" for the award named after Shastri, the President said the 74-year-old sociologist had "contributed immensely in the direction of getting rid of the practice of manual scavenging".
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He complimented the Lal Bahadur Shastri Institute of Management for honouring people who have made valuable contributions.
The annual award honours an exceptionally outstanding Indian, who is a distinguished business leader, management practitioner, public administrator, educator or institution builder, for their sustained individual contributions and achievements.
Pathak has developed and implemented, on a pan India scale, a low cost and appropriate toilet technology popularly known as the Sulabh Shauchalaya system.
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