In a notification released by the Southern Railway, it is mentioned:
“The following 14 special suburban trains WILL NOT STOP AT THE PATTABHIRAM AND HINDU COLLEGE STATIONS:
The trains from Tiruthani to Chennai Central starting at 8.45 Am & 11.40 AM
The trains from Arkonam to Chennai Central starting at 9.30 AM, 10.15 AM, and 11.00 AM
The trains from Thiruvallur to Chennai Central starting at 10.00 AM, 10.30 AM, 11.15 AM, 11.25 AM 11.50 AM, 12.00 Noon, 12.15 PM, 12.55 PM, and 1.15 PM”