Zerodha founder Nithin Kamath warns against using illegal loan apps, citing a rise in suicides due to harassment by loan agents.Unregulated predatory loan apps charge exorbitant interest rates of 100-200%, gaining unauthorized access to user contacts and photos.Kamath urges victims to report harassment to the National Cyber Crime Reporting Portal (NCCRP) and emphasizes laws protecting individuals.Recent suicide of 22-year-old Tejas Nair after facing blackmail and threats from a Chinese loan app underscores the severity of the issue.