Gujarat Travels — refund and harassing travelers

Address:	Surat, Gujarat, 395007
Website:	ww.gujarattravels.co.in

I booked a ticket from abu road to surat in ac bus and last time due to cancellation of they provide me alternative but the alternative bus was not ac and they r harassing me through out the journey.
I was register my complaint on there site but they r not respond in single time.
Then i coordinated several time then they offer me 100 rupees in refund which is not significant and price of ac and non ac bus are 250 rupees.
I need to they refund my money due to unsatisfied respond and harassment.