Answer : D
Explanation
Ezhava Memorial was signed by 13176 members of the Ezhava community.
Vaikunda Swamikal called the Travancore Rule as Rule of black Devil ( Neechan).
Vagbhatanandan started the journel Abhinava Keralam (1921) and Started a Sanskrit study center 'Tatwa Prakashika' in 1906 at Kozhikode.
Rani Lakshmi Bai abolished slavery from Travancore with the Proclamation of 1815.
Vaikom Satyagraha was a movement in Travancore (modern-day Kerala) for temple entry of the depressed classes. It took place near the Shiva Temple at Vaikom, Kottayam district, Kerala during 1924-25. Mahatma Gandhi hailed it as "the miracle of modern times".
Pandara Pattam Proclamation of 1865 is known as “the Magnacarta of the Travancore ryots(farmers)” - It conferred proprietary rights of Sirkar Pattam lands to the holders.
Mohammed Abdur Rahman Sahib was editor and publisher of the Malayalam daily Al-Ameen which was published from Calicut during 1924–1939. The paper aimed to strengthen the freedom movement and nurture nationalism among the Muslims of Malabar.
A paper called 'Sahodaran' was started by Sahodaran Ayyappan and he was the founder editor of the magazine 'Yukthivadi'.
The Temple Entry Proclamation was issued by Maharaja Chithira Thirunal Balarama Varma in 1936 and abolished the ban on the so called 'low caste people' or avarnas from entering Hindu temples in the Princely State of Travancore.