India, May 24 -- The CPI(M) wrote to Prime Minister Narendra Modi on Saturday, seeking urgent intervention in the ongoing agitation by the workers of Air India Engineering Services Limited (AIESL), alleging labour exploitation and raising concerns over passenger safety.

In a letter dated May 23, Communist Party of India (Marxist) general secretary MA Baby said the AIESL workers have been holding sit-ins for the last eight days outside maintenance facilities in Delhi, Chennai, Mumbai, Kolkata and Nagpur against what he described as "brazen anti-worker policies" of the management.

Baby said AIESL, a former Air India subsidiary now functioning as a public sector undertaking (PSU) under the civil aviation ministry, operates major maintenanc...