Integrate SMS http api in Existing admin Web Portal (Android app) & Some modifications

I have an existing android application and a back-end web admin portal for Food delivery system and I need some configurations to be done 1) Twilio Alphasender id SMS configuration( It was configured with Twilio number but in our country we are allowed only for 6 digit alphasender id) 2) Timezone needs to be configured to India (It was Netherlands in Addind Resturant & in Edit details it shows Pakistan Only) ... I need all the country names to get displayed 3)Rider & Restaurant login portal is not working , The user id gets created not get logged in... check the issue 4) In main app screen after adding the restaurant it is not getting displayed 5) Delivery fee is not getting generated 3)