Who was Maharani Jindan Kaur, Sikh empire's last queen?

The youngest wife of Maharaja Ranjit Singh, founder of the Sikh Empire, was a formidable force as her son's regent. Duleep Singh was 5 years old when he was made the ruler. Many sought to dethrone him, but his mother, Maharani Jindan Kaur was a brave fighter. She was jailed, exiled, and separated from her son for over 13 years.