Thiruvananthapuram is primarily a warm, tropical city, it may be difficult to obtain women's snow boots in local retailers during the winter months as they are not usually stocked. Winter-specific footwear may not always be readily available in physical stores due to the temperature in the area.
The best course of action for you could be to look into internet retailers that focus in winter clothing. Seek out websites that have a range of snow boots made for colder climes that deliver to Thiruvananthapuram. Bigger online retailers frequently provide a variety of brands and designs, so you may choose boots that will work for you in colder locations or are just for fashion. Since snow boots tend to vary in size, be sure to review return policies and sizing charts to guarantee the ideal fit.