Dewan Chaman Lal committee report is related to the linking of rivers in India. The report was formed to study the feasibility and potential benefits of interlinking rivers in the country.

Explanation:
1. Background:
The idea of interlinking rivers in India has been discussed for several decades. The aim is to transfer surplus water from water-rich regions to water-deficient regions, thereby reducing floods and droughts. The interlinking of rivers is considered as a potential solution to India's water management challenges.

2. Formation of Dewan Chaman Lal committee:
In 2002, the Indian government constituted the Dewan Chaman Lal committee to study the feasibility of interlinking rivers. The committee was tasked with examining the technical, economic, social, and environmental aspects of river interlinking projects.

3. Report findings:
The committee submitted its report in 2008, which analyzed the potential benefits and challenges of interlinking rivers. The report highlighted the following key points:

- Potential benefits: The interlinking of rivers could lead to the efficient utilization of water resources, reduce floods, increase irrigation potential, and provide water for various domestic and industrial purposes. It could also facilitate inland navigation and hydropower generation.

- Environmental concerns: The report acknowledged the potential environmental impacts of river interlinking, including the alteration of natural river flows, ecological disruptions, and displacement of communities. It emphasized the need for proper environmental assessment and mitigation measures.

- Cost and implementation challenges: The report estimated the massive cost of implementing river interlinking projects and emphasized the need for comprehensive planning, coordination among states, and funding mechanisms. It also highlighted the challenges related to land acquisition, rehabilitation of displaced people, and interstate water disputes.

4. Controversies and ongoing discussions:
The Dewan Chaman Lal committee report sparked intense debates and discussions among policymakers, experts, and civil society. While some supported the idea of interlinking rivers as a solution to water scarcity, others raised concerns about its environmental and social impacts. The project is currently under review, and further studies are being conducted to assess its feasibility and potential impacts.

In conclusion, the Dewan Chaman Lal committee report is related to the linking of rivers in India. The report analyzed the potential benefits, challenges, and environmental concerns associated with interlinking rivers. The topic remains a subject of ongoing discussions and further studies.