New Delhi, Nov. 7 -- A recent Reddit post has raised concern about Airtel's practice of recycling mobile numbers after 90 days of inactivity. The post has sparked concern on social media.

A user shared that, after buying a new Airtel SIM, he began receiving calls from strangers even though he never shared the number with anyone. Even banks started asking him to repay a loan.

When the Reddit user checked Truecaller, he realised the number previously belonged to someone named Kiran. The number was linked to multiple apps and services. Now, the new owner could log in to platforms like Zomato, Swiggy, Uber and even Facebook using OTPs. The Redditor can access the former user's personal details.

"If I try to order food on Zomato or Swiggy, ...