National Highways Authority Of India [NHAI] — thirumangalam, madurai toll gate

My name is v. Karthikeyan residing at 97/1, sengulam east street-3, chozhavanthan road, tirumangalam from 1971. I am working in theni which is 70km away from tirumangalam. Company has provided me a car tn60 m4114 (Innova).in the past i have not paid any toll since i am residing in tirumangalam. But now the people working in toll plaza (Very rough behaviour) are asking me to pay even after showing my residence proof of tirumangalam.