The Second Anglo-Sikh War proved destructive for the Sikhs.

Following were its mains results :

1. Annexation of Punjab into the British Empire: The Sikhs were completely defeated in this war. By a proclamation, Lord Dalhousie declared that the Punjab was annexed into the British Empire. Maharaja Dalip Singh was dethroned and the Punjab became a part of the British Empire.

2. Punishment to Mulraj and Maharaj Singh: Mulraj was held responsible for the murder of the two English officers, Agnew and Anderson. Mulraj was exiled to Andaman Islands (Kala Pani). On December 29, 1849. Maharaj Singh was arrested. He was sentenced to life imprisonment and sent to Singapore prison.

3. Disbanding of the Khalsa Army: The Khalsa Army was disbanded and the lands of many Sikh Chiefs were confiscated. The soldiers of the disbanded army were allowed to join the British army.

4. Appointment of the British officers in the Punjab: After the Second Anglo- Sikh War, the English officials were appointed on high posts in place of the Hindus, the Sikhs and the Muslims. They were given handsome salaries and allowances.

5. Establishment of a Frontier Force: Henry Lawrence, with the help of Edwards and Nicholson, constituted a Board for the administration of the frontier territories. A frontier force was also raised which consisted of infantry, horsemen, artillery and elephants. The English pulled down the old and outdated forts and constructed new ones and cantonments in their place.

6. Establishment of a Board of Administration: Lord Dalhousie constituted a Board of Administrators to administer the Punjab. Henry Lawrence was the Chairman of this Board. This Board consisted of three members. They were collectively responsible for running the administration of the Punjab. The members of the Board were given extensive powers in administrative and judicial matters. Many reforms were introduced by this Board. Roads and canals were constructed and a new postal system was introduced.

7. Cordial relations with the Sikh Chiefs: The rulers of Patiala, Nabha, Jirid, Kapurthala and Faridkot had helped the English in the Second Anglo-Sikh War. The English gave them big rewards for their services. The English also resolved not to annex their states into the British Empire.