The correct option is A Kolkata, Delhi
Sher Shah Suri built the Shahi (Royal) road
to strengthen and consolidate his empire
from the Indus Valley to the Sonar Valley
in Bengal. This road was renamed the
Grand Trunk (GT) road during the British
period, connecting Calcutta and Peshawar.
At present, it extends from Amritsar to
Kolkata. It is bifurcated into 2 segments :
(a) National Highway(NH)-1 from Delhi to
Amritsar, and (b) NH- 2 from Delhi to Kolkata.