India, Feb. 4 -- India's largest telecom operators recorded their highest-ever volume of spam complaints in 2025, with more than 1.17 million cases flagged against Bharti Airtel and over 1.07 million against Reliance Jio, underscoring the continued surge in unsolicited commercial calls and messages.

Data tabled in the Lok Sabha by the department of telecommunications on Wednesday shows that complaints against unregistered telemarketers (UTMs) have climbed steadily over the past five years, nearly tripling since 2021. Total complaints rose from about 0.85 million in 2021 to more than 2.5 million in 2025.

According to McAfee's 2026 State of the Scamiverse report for India, released on Wednesday, Indians receive an average of 13 scam commu...