- 1978
- 1981
- 1984
- 1985
Answer: 3. 1984
Explanation:
The section from Dum Dum to Tollygunge has been opened to passenger traffic starting from October 24, 1984 and finished on September 27, 1995. Extension of Metro Railway from Tollygunge to Kavi Subhash was sanctioned in the year 1999-2000 and in this stretch has been commission in Phases and completed in 2010.
