Meghalaya Chief Minister Dr Mukul Sangma has flagged off the Shillong Supplement Public Transport Services at U Soso Tham Auditorium here for the benefit of the people in the capital city. Twenty five vehicles have been flagged off and the remaining 15 vehicles will be put to operation within 15 days, official sources said. It may be mentioned that under JNNURM, 120 buses, 20 standard buses and 100 mini buses have already been sanctioned for the public transport system in Shillong since the 22nd July last year.