Concept:
The Information Technology Act, 2000 is India's main law dealing with cyber crimes, digital signatures, and electronic governance.
• Passed in 2000.
• Amended to strengthen cyber laws.
• Covers digital fraud and cyber security.
Step 1: Recall the original IT Act.
The Act was first enacted in:
\[
2000
\]
Step 2: Recall the amendment.
The major and latest amendment was done in:
\[
2008
\]
which introduced provisions like cyber terrorism and stronger data protection rules.
Step 3: Verify with options.
Among:
\[
2008,\;2021,\;2010,\;2025
\]
correct answer is:
\[
2008
\]
Step 4: Final conclusion.
Hence, the correct answer is:
\[
\boxed{2008}
\]