Indian Railways — Train number 12864 is mostly starting late from station

The train number 12864 starts from the origin that is Yeswantpur is always late. If they are unable to start the train on time then why is it scheduled at 10.15am?
Please check the past history of this train from 1 week. It always starts late from Yeswantpur. On that 5th of July the train started 5hrs late from Yeswantpur. That is what the running status shows. Please run the train according to the schedule orelse change the train time if the route is not green.