The correct answer is option 3, 2005. The Right to Information Act came into force in the year 2005. This Act is an important legislation in India that empowers citizens to seek information from public authorities. Let`s analyze the other options:
Option 1: 2003 - This is not the correct answer as the Right to Information Act was not enacted in 2003.
Option 2: 2004 - This is not the correct answer as the Right to Information Act was not enacted in 2004.
Option 4: 2006 - This is not the correct answer as the Right to Information Act was enacted in 2005, not 2006.
Therefore, the correct answer is option 3, 2005. It is important to note that the Right to Information Act has played a significant role in ensuring transparency and accountability in the functioning of public authorities in India.