Gujarat Travels — booked single sleeper but not provided

Address:

ISBT new delhi, New Delhi, Delhi, 846001

I booked single sleeper for delhi to darbhanga bus service but ur coach attendant provide me double sharing sleeper birth which half of my ticket cost, they are rudely behaved, i call all office no but can't help me, i have emergency to reach my home, so at any how i travel with double sharing birth which cost is 1700 rupees, but i paid 3615 rupees my single sleeper birth online through railyatri.com, i asked bus staff and travel agent to return my balance money but they behaved rudley