The four siblings are Vetrivel (9), Velayutham (8), Sundar (6), and Sakthivel (9).
According to a Times of India report, the victims’ parents, who worked in a charcoal unit, sold their two older sons for Rs 50,000.
The report further suggests that the Covid-19 pandemic and the subsequent lockdown significantly impacted the parents' livelihood, making it difficult for them to survive.