The problem Darjiwala solves

Makes it easy for tailors to keep track of all the orders.
Registers multiple cloth types, the quantity for each cloth type, for the same order with ease.
Tailors can easily get an idea of the measurements from the measurement history associated with the user.
Gives business analytics of all orders, customers and tailors to the admin.

Challenges we ran into

Converting the developed code to a progressive web app, managing bugs with service workers.
Maintaining responsive design and mobile compatibility along with a clean and modular user interface.
Coming up with a flexible schema such that less to no changes will be needed in future.