TimeTable
You can see your schedule any time in notification or on home screen by using app's widget.
you can edit or cancel any slot in schedule and your batchmates will get a notification about the changes.
you can tap on a slot to get all details (including room no., who changed it, etc.) about it.
you can customise you schedule with different colors.
For xiaomi phones, you have to give auto-start permission to run app's background services.
For xiaomi phones, it is recommended to restart phone after giving auto-start permission.
So, on xiaomi app will not run until you restart your phone.
You can bypass restart by long pressing 'NEXT' button when app is asking for restart in app introduction activity.
Download link for apk : https://www.amazon.com/dp/B075S9434G/ref=sr_1_2?s=mobile-apps&ie=UTF8&qid=1506327720&sr=1-2