You need to download any bootstrap free admin theme.
Create two forms: Login form and Add Thought of the Day (Follow screenshot).
Create simple mysql database.
Login form should be workable with tbluser table from database.
Thought of the day form should be added to database.
There should be proper validation and file type should check while uploading image.
Description filed will add Hindi Text in the database so please create database and tables in correct character set.