defence exam CISF Head Constable Ministerial (HCM) & ASI Steno Mock Test Series General Knowledge Modern India (Pre-Congress Phase) India under East India Company’s Rule
Who among the following Governor Generals opened first telegraph line from Calcutta to Agra in 1853?
1
Lord Dalhousie
2
Lord Hastings
3
Lord Wellesley
4
Lord Canning