Given below is a paragraph. While S| and $6 are the first and last sentences of this paragraph, the parts that are labelled 1.2, 3 and 4 are jumbled up. Rearrange them to form a meaningful and coherent paragraph.
S1: Several metro lines have been planned in the NCR.
1. Red line is the first among them.
2. They are expected to alleviate the problem of transportation.
3. It starts from Shahdara and terminates at Tiz-Hazari in the initial phase.
4. It caters to over | lakh commuters at present.
S6: Hopefully, the public transportation problem will not be as acute after all the metro lines are completed.

Correct option is C

Correct Order:
Several metro lines have been planned in the NCR.
They are expected to alleviate the problem of transportation.
Red line is the first among them.
It starts from Shahdara and terminates at Tiz-Hazari in the initial phase.
It caters to over 1 lakh commuters at present.
Hopefully, the public transportation problem will not be as acute after all the metro lines are completed.
Based on this analysis, (c) 2, 1, 3, 4 does indeed form a coherent paragraph.