IMD commissioned Flash Flood Guidance Service in South Asia

Current Context: India Meteorological Department (IMD) has commissioned FFGS (Flash Flood Guidance Service) in South Asian Countries.

• FFGS is commissioned in India, Bangladesh, Bhutan, Nepal and Sri Lanka. 
• The Flash Flood Guidance Service is an advanced and robust system which provides warnings about threats in advance 6 hours and warnings about risks in advance 24 hours.
• The warnings for flash floods are provided in advance at the watershed level with a resolution of 4kmX4km. 
• This system was approved at 15th World Meteorological Congress.
• It is created by following two concepts namely, Flash Flood Guidance and Flash Flood Threat.
• Flash Flood Guidance refers to an index which indicates how much rainfall is required to overcome channel storage capacities and soil storage capacities which will cause minimum flood condition in a basin.
• Flash Flood Threat refers to an index that provides an indication of areas where flood occurs and immediate action is needed.
• Static Part: 
• HQ of IMD: New Delhi
• GD of IMD: Dr M Mohapatra

Question:

Q.1 Who among the following commissioned FFGS (Flash Flood Guidance Service) in South Asian Countries?
a. India Meteorological Department
b. International Maritime Organisation
c. Indian Navy
d. World Meteorological Organisation