General Pervez Musharraf led a military coup in Pakistan in the year

Explanation:

• On October 12, 1999, the Pakistan Army and General Pervez Musharraf, then-Chief of Army Staff and Chairman of the Joint Chiefs of Staff Committee, seized control of the civilian government of publicly elected Prime Minister Nawaz Sharif in a bloodless change. 
• On 14 October 1999, two days after taking the government, General Musharraf, who was then acting as the country's Chief Executive, proclaimed a state of emergency by signing a Provisional Constitutional Order suspending the writ of the Pakistani Canon.

Final Answer:

Hence, the correct option is (a) i.e. 1999