Operator Routes Greenline Kolkata To Siliguri Bus + RETURN Greenline Kolkata to Siliguri Bus 03-Jun-2023 MODIFY Frequently Asked Questons on Greenline Kolkata to Siliguri How many buses are operated between Kolkata and Siliguri by Greenline? What is the time taken by Greenline to complete the journey from Kolkata to Siliguri?