Acting on a tip-off, Tukaramgate Police solved the case within 24 hours and arrested G Sangeetha and her son N Aravind, who had allegedly kidnapped the boy.
Besides the mother-son duo, they also arrested N Sathish Kumar, who mediated to sell the baby to a couple -- D Rajaiah and his wife D Shyamala -- for a sum of Rs 1.5 lakh.
The couple was also arrested, Tukaramgate Police Station Inspector T Laxmi Narayana said.
She suspected one Sangeetha, who resided on the upper floor of her house and had been visiting her since last three days, they said.
"During the course of investigation, it came to light that Sangeetha and her son Aravind kidnapped the boy and took him to Jubliee bus station, from where they went to Sultanabad of Karimnagar by a cab that was booked by the accused Sathish Kumar. The baby was then sold to Rajaiah and his wife for Rs 1.6 lakh at Sultanabad," Narayana said.
