Bus number 577 is the bus that goes from Mandaveli to Chengalpet, frequency of which is already once in 50 mins in the morning.
The bus that is supposed to start at 8'o clock in the morning from Mandaveli does not even come ot the terminus by 8a.m. and officials give ignorant replies when passengers ask them.
That is a long distance bus used by lot of office goers for the GST road.
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