Correct Answer: (a)1,2,3,4
Solution:The Subsidiary Alliance System was used by Lord Wellesley (1798-1805) to bring the Indian state within the ambit of the British political power. The states to adopt the subsidiary alliance of Lord Wellesley were-Hyderabad (1798 and 1800), Mysore (1799), Tanjore (1799), Awadh (1801), Peshwa (1802), Bhonsle of Berar (1803), Sindiya (1804), Holkar (1818), Jodhpur, Jaipur, Macheri, Bundi and Bharatpur etc.