The correct options are
B He and his followers had made compost from waste in their Ashram.
C He and his followers had cleaned toilets to end untouchability.
D He believed in equality and justice to everyone.
Mahatma Gandhi was a great freedom fighter in our country who believed and followed the principles of equality, peace, and justice to everyone. He and his followers strived to abolish untouchability from the society by supporting sanitation workers and cleaning toilets themselves.