The move comes within the deadline of 45 days, which the the Ministry of Water Resource and Ganga Rejuvenation had fixed for launching the cleaning process of the river.
"Official teams have started inspecting 108 nullahs of river Ganga from today, marking the start of the massive project. They would be submitting the report in a couple of days," top ministry sources said.
About 120 teams of officials drawn from different wings of the ministry have been were constituted to study various aspects of 118 places along the rivers Ganga, Yamuna and Ramganga.
Inspection is part of the short term measures, which the ministry has designed to rejuvenate the river.
It may be recalled that the Centre has allocated Rs 2,037 crore for an integrated programme for the conservation of river Ganga named 'Namami Gange'.