The Company did not get nervous to sea the strength of the rebel forces. Instead, it decided to suppress the revolt with all its might. It brought reinforcements from England, passed new laws so that the rebels could be convicted with ease, and then moved into the storm centres of the revolt. Delhi was recaptured from the rebel forces in September 1857. The last Mughal emperor, Bahadur Shah Zafar was tried in court and sentenced to life imprisonment. He and his wife were sent to prison in Rangoon in October 1858.
The recapture of Delhi did not mean that the rebellion died down completely. People continued to resist and battle the British. So, the British had to fight for two years to suppress the massive forces of popular rebellion. The British took Lucknow in 1858. Rani Lakshmibai was defeated and killed in June 1858. Tantia Tope, who fought a guerrilla war, was finally captured, tried and killed in April 1859.
Class 8 History Chapter 5 When People Rebel Source-Based Questions