Redbus — bus breakdown

I booked ticket kallada travels (Suresh kallada) from hosur to chennai 3.30 p. M bus on travel date 27 th dec 2017. But bus got breakdown at hosur itself. Wait till 6.00p. M they didn't provide alter arrangements. My 2.6 years child also accompany with me. After 6 o clock, i don't wish to travel because of reach chennai late night which is not advisable. So i need my ticket amount refund, else i will complaint in consumer court. Redbus mticket
Please present this mticket at the time of boarding.
Route: hosur to chennai
Ticket no: tkdm16581842
Pnr: ored1987538-bangalore to chennai sleeper.2pm
Travels: kallada travels (Suresh kallada)
Departure: 03:30 pm dec 26, 2017
Seat numbers: 2lb
Total fare paid: rs.852.6
Boarding point: opp. Bus stand hosur
Landmark: n/a
Address:[protected]kallada, opp. Bus stand, janani hotel,[protected], [protected]
Boarding point contact: n/a
Kallada travels (Suresh kallada) customer care: [protected]