Esbeda — Esbeda blue leather shoulder bag-poor quality

Address:	Udaipur, Rajasthan, 313004
Website:	Esbeda

I purchaded a blue leather shoulderbag from mumbai. When i used it first day its shoulderstraps depart from bag it was very embarrassing for me. I am from rajasthan when i visited mumbai again i exchange it from another same one unfortunately after using 2-3 hours it happens again with new bag. What to do? I cant visit mumbai again and again for this.