History · Post-Independence Indian History
In which year and between which two cities was the Subscriber Trunk Dialling (STD) service first introduced in India?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11960 between Lucknow and Kanpur✓
- 21972 between Delhi and Bangalore
- 31986 between Mumbai and Pune
- 41995 between Kolkata and Haldia
Correct answer
1960 between Lucknow and Kanpur
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