Is it obligatory to obey a ruler who does not rule according to the Book of Allaah and the Sunnah of His Messenger (blessings and peace of Allaah be upon him)?

No File Exists
Check below answers in case you are looking for other related questions:
Islamic rights
Why do we not say that the Big Bang came before everything else?

No File Exists
Related Answers:
Can ahaad hadeeths be accepted with regard to ‘aqeedah?
Woman in Islam is for the purpose of building a life that is based on obedience to Allah, and is not to be looked at merely as a sexual object
Ruling on sitting with one who does not pray and who denies that hijab is obligatory and mocks it, and mocks ‘Aa’ishah (may Allaah be pleased with her)
Islamic rights
Why do we not say that the Big Bang came before everything else?

Recommended answers for you:
Eating habits and diet of the Prophet (peace and blessings of Allaah be upon him)
The ruling on Islamic nasheeds
Inserting fingers into the back passage
Conditions of women going out to the mosque
Using the birth control pill and the coil