Explanation:

Both statements are incorrect.

• India celebrates Constitution Day or Samvidhan Divas on November 26. 

About Constitution Day

• Constitution Day, also known as Samvidhan Divas or National Law Day, is celebrated in India on November 26th each year.

• This day commemorates the adoption of the Constitution of India on November 26, 1949. The Constitution came into force on January 26, 1950.

• In 2015, the government decided to celebrate this day to promote constitutional values among citizens.

Constituent Assembly (CA) of India

• The Constituent Assembly (CA) was set up in 1946 under the Cabinet Mission Plan of 1946.

• The Assembly held its first meeting on December 9, 1946, and elected Dr. Sachhidanand Sinha, the oldest member of the Assembly, as the Provisional President.

• On December 11, 1946, the Assembly elected Dr. Rajendra Prasad as its permanent Chairman.

• The CA took 3 years (1946-49) to complete the drafting.

• The CA had 299 elected members from provincial legislative assemblies.

• The CA had 13 committees, including the drafting committee headed by Dr B.R. Ambedkar.

• The Constitution was adopted in 1949 when 284 members signed it, marking the completion of the Constitution-making process.

Interesting Facts about Indian Constitution

• It is the world’s longest: The original copy of the Indian Constitution is 251 pages long; it is the most detailed in the world.

• It is completely handwritten and designed.

• Sh. Prem Behari Narain Raizada, a master of calligraphic art, singlehandedly handwrote the Constitution.

• Sh. Nand Lal Bose, a pioneer of modern Indian art, designed the borders of every page of the Constitution and adorned it with art pieces.

• The original manuscript of the Constitution was written on parchment sheets measuring 16 X 22 inches, having a lifespan of a thousand years. It weighed 3.75 kg.

Hence option 4th is correct.