Major causes of failure of revolt of 1857 include-
1. For more than a year, the rebels carried on their struggle against heavy odds. Though they had well network of communication, they lacked arms and ammunition.
2. The merchants, Intelligential and Indian ruler supported the British.
3. No political perspective or a definite vision of the future existed.
4. Almost half the Indian solider fought against their own countrymen.
Codes:
2, 3 and 4 only
The first statements is incorrectly stated because the sepoy had no Quick system of communication at their command and hence no coordination was possible. Therefore lack of communication was also one of the reason of failure of revolt.