Theory:

Constitution - have you heard this word before? What does it mean? Its importance ?
 
Lets see, Constitution is like a rule book which specifies the roles, powers and functions for legislative, executive and judiciary. Explanation of these terms will follow in upcoming modules.
 
Basic explanation is:
The basic principles and laws of a nation, state, or social group that determine the powers and duties of the government and guarantee certain rights to the people in it.
427px-Constitution_of_India_(calligraphic)_Cover.png
  
India follows a written constitution, means Indian constitution is a written document. 
Dr. B. R. Ambedkar is recognized as the Father of the Constitution of India’.
 
stock-vector-stock-vector-illustration-of-indian-freedom-fighter-late-dr-babasaheb-ambedkar-718458088.jpg
 
The major part of the constitution came into force on January \(26\), \(1950\). This day is referred to in the Constitution as the ‘date of its commencement’, and celebrated as the Republic Day.
 
stock-vector-republic-day-a-republic-day-is-the-name-of-a-holiday-in-several-countries-768304165.jpg
 
January \(26\) was specifically chosen as the ‘date of commencement’ of the Constitution because of its historical importance. It was on this day in \(1930\) that  Purna Swaraj day was celebrated, following the resolution of the Lahore Session (December \(1929\)) of the Indian National Congress.
 
Having learnt about what Constitution means, lets learn about the type of government our constitution has given us.
Reference:
https://commons.wikimedia.org/wiki/File:Constitution_of_India_(calligraphic)_Cover.png
https://www.shutterstock.com/image-vector/republic-day-name-holiday-several-countries-768304165
https://www.shutterstock.com/image-vector/stock-vector-illustration-indian-freedom-fighter-718458088