11.
The answer is: B
Explanation
The National Productivity Council (NPC) observes National Productivity Day annually on February 12th. NPC is an autonomous body established in 1958, under the Ministry of Commerce and Industry, to promote productivity culture in India. The celebration of National Productivity Day lasts for a week, from February 12th to February 18th, and its goal is to highlight the significance of productivity, innovation, and efficiency.