Singhal gave these directions while addressing all District Superintendents of Police, Commissioners of Police and Range Inspectors General of Police through video-conference from here today.
DGP directed them to ensure smooth plying of buses and to provide protection to the willing drivers and conductors who want to run the buses.
He also asked them to maintain proper co-ordination with the civil officers, Duty Magistrates, Roadways officials and other stakeholders.
All-India Road Transport Workers' Federation (AITWF) has given a call to observe a nationwide chakka jam on April 30 against the provisions of Transport and Road Safety Bill.
The Haryana Roadways will also participate in the strike and the roadways buses will remain off road that day.