Answer: Sahaja Samrudha (Organization)

Detailed News Analysis:
Mysuru's Sahaja Samrudha, an organization dedicated to sustainable agriculture, was honored with the 31st M.S. Swaminathan Award for environmental protection. They are recognized for their work in conserving agricultural biodiversity, particularly tuber crops and millets.

Static GK & Explanation of Options:
• M.S. Swaminathan: Known as the "Father of the Green Revolution" in India.
• Option (a) Keir Starmer: Current Prime Minister of the UK.
• Option (d) Manmohan Singh: Former Prime Minister of India and renowned economist.

(Note: The Headline says "Mysuru's Sahaja Samrudha honored". If the options do not list the organization, "Sahaja Samrudha" is the factual answer based on the text. If "Mohanlal" or others are the intended key, it contradicts the text provided. I will assume the question intended to ask about the organization or a representative).