Four persons including the woman, her sister and the buyer along with her husband were arrested under charges of human trafficking when the deal was being made at Dehradun railway station yesterday, they said.
Sunita, hailing from Kaimri village in Doiwala area here, had come with her child to the railway station where her sister Anita Singh, who works as a traffic home guard, was waiting for her along with another woman Anita Mishra, they said.
Besides them, Anita Mishra's husband who runs an NGO in Agra has also been arrested, they said adding preliminary interrogation of the arrested persons has revealed that the child was being taken to Vinod Shukla, a resident of Agra.
The woman who tried to sell off her child to another woman has two more children.
She told police that due to poverty she was not being able to raise her children properly and decided to sell off her child.