The question asks to identify the ruler associated with the secret war weapons Mahasilakantaka and Rathamusala.
These weapons were innovative siege engines used during ancient Indian warfare.
Historical records attribute the use and development of these formidable weapons to the Magadha ruler Ajatasatru (c. 492–460 BCE) of the Haryanka dynasty. He employed them effectively during his conflicts, particularly against the Vajjian confederacy and the Licchavis.
Therefore, Ajatasatru is the correct answer.
Who was the first socialist to believe that the general well-being is incomplete without including women?
Who is the pioneer of ‘White Revolution’ in India?
Which state of Rajputana was joined in the third phase of Integration of Rajasthan in the United Rajasthan?
Which part of Madhya Pradesh is associated with the Mahajanapada of Avanti?
Match each of the following 'Mahajanapadas' in Column - A with their 'Capitals' in Column - B and select the correct answer set from the table given below
| Column - A | Column - B |
| (a) Assaka | (i) Kaushambi |
| (b) Avanti | (ii) Paudanya |
| (c) Kosala | (iii) Shravasti |
| (d) Matsya | (iv) Ujjaini |
| (e) Vatsa | (v) Vaishali |
| (vi) Viratnagar |