Dhaka, Oct. 14 -- A 20-year-old Indian man known as Bittu Tabahi has found the Ajnar River in central India's Madhya Pradesh state littered with plastic bags and other waste again, weeks after he spent eight months clearing it.

Surendra Singh Choudhary, as he is formally named, was left disheartened by the sight.

He shared a video on Instagram on Tuesday showing garbage piled along the banks in Rajgarh district, despite months of effort to clean the stretch, India Today reports.

He had removed tonnes of waste from the river over eight months, working alone and without specialised equipment, the Indian broadcaster said.

"I never imagined that eight months of my hard work would go to waste like this," he was quoted as writing in the cap...