Previously, it was rumoured the couple would spend the day apart. However, the couple managed to find some time ahead of their tour of New Zealand, beginning on Sunday, November 17.
While visiting Mumbai, Prince Charles was given presents from a group of schoolchildren. The students were supported in their education by a charity collaborating with his British Asian Trust.
The children presented his Royal Highness with tiny figures in three bonsai gardens which told the stories of Hindu deity Krishna. Prince Charles was also presented with a large chocolate cake as they sang Happy Birthday.
Several members of the Royal Family shared birthday messages to Prince Charles on social media.
The Duke and Duchess of Cambridge posted three photos featuring the 71-year-old on the Kensington Royal Instagram account. Prince Louis, Kate Middleton, Prince William and Prince George all featured in the photos.
The previously unseen photo was taken during the six-month-old's christening in July.
With a flood of messages from his family, a delicious birthday cake and a relaxing weekend away with his wife, the future king appears to have had the perfect birthday.