#TIC on S/L PART-2 (#Total Interruption of Communication on Single Line) - Lesson 88

Following are the Different Authorities used during TIC on S/L 1. T/B 602 - Authority for opening of Communication (15/10 KMPH) 2.T/E 602 - Line Clear Enquiry Message Form, if Line Clear required for more than one Train 3. T/F 602 - Line Clear Reply Message Form 4. T/G 602 - UP CLCT 5. T/H 602 - DN CLCT 6. T/I 602 - Exchange of Message by both SMs, if any one of the Authorised means of Communication for taking Line Clear is restored