The correct options are
A It was initiated by Sundarlal Bahuguna.
B People protected trees from being cut by hugging them.
C This was a movement for the conservation of forest.
In order to protest against the increasing deforestation, famous environmentalist Sundarlal Bahuguna started the chipko movement. This was a movement for the conservation of forests. Peoples wrapped their arms around the trees to protect them from being cut down.