Clean Ganga: Sewage treatment projects worth Rs 1,902 crore okayedThe panel also approved a project to control pollution on the Ganga river in Rishikesh at an estimated cost of Rs 158 crore.
Hope it helps.:)
National Mission for Clean Ganga[Governmental]
http://m.timesofindia.com/india/Ganga-clean-up-project-Inspection-of-108-nullahs-begins/articleshow/45398172.cms
You can further use Wikipedia, it will be best way to write an essay.
I want cruise ships in Ganga as happens in some developed countries.
Are there any plans by any private or government entity for making or buying a cruise ship?
@cobra commando @LETHALFORCE