India was partioned into 3 independent nations:
Pakistan was subsequently divided into two nations, Pakistan and Bangladesh
The United Kingdom retained soveriegnty of:
British Indian Ocean Territory
The US Marines on Diego Garcia created this flag.
These were the flags used during the British Rule of India for the Indian Princely States
Jafarabad & Janjira
Thanks to Cyril Redondo for collation and research. These images can be seen at flagspot.net.
Ireland within the British Empire
Poblacht na hÉireann/Republic of Ireland
(Government of the) Province of Northern Ireland
Including the Dominions