1. Among the following revolutionaries, Surya Sen was known as 'Master Da'.

2. He was an Indian revolutionary who led the Chittagong Armory Raid of 1930.

3. He was a school teacher by profession and was popularly known as Master Da.

4. In 1918, he was elected as the President of the Chittagong branch of the Indian National Congress.

Explanation: The Rigveda is the oldest and most important text of the Vedic period, consisting of hymns dedicated to various deities.

Chandragupta Maurya adopted Jainsim in his last days. He went to South India (Shravanabelogola, near Mysore, Karnataka), under the leadership of Bhadrabahu, where he died observing Fast

God Mahavira got ‘Parinvirvan’ in the capital of Mallas Mahajanapadas ‘Pava’ or ‘Parapuri’. Pavapuri is situated in Nalanda district of Bihar. Mahavira swami was 24th tirthankara of Jainism. The first tirthankara was Aadinath and 23rd was Pasarvanath.

The Great Bath is one of the best-known structures among the ruins of the ancient Indus Valley Civilization at Mohenjo-daro in Sindh, Pakistan.

Early Buddhist Texts were composed in Pali language. At that time, Pali was the language of general people. Later, Buddist Texts were written in Sanskrit also.

Kshatriya had their specific identity in Budha’s times. Mahatama Buddha and Mahavira swami, both were related to Kshatriya’s clan. There is a list of Mahajanapadas in Buddhist Texts ‘Angutarnikaya’ whose maximum ruler was related to Kshatriya’s Clan.

Explanation: Yajurveda deals with the procedures and rituals involved in ceremonies and sacrifices.