Solution:Statement (d) is not correct. Hence, The state of Travancore finally joined India through the Instrument of AccessionSince Travancore (Kerala) had good reserves of natural resources, it was believed it could survive on its own and hence wanted to remain independent. The Dewan of Travancore, C. P. Ramaswami Iyer, was invited by Jawaharlal Nehru to Delhi, in an effort to persuade him, but he refused to sign the Instrument of Accession.
CP was also unpopular with the Communists of the Kingdom for his anti-communism stands. An assassination attempt was made on C. P. on 25 July 1947. From his hospital bed, he advised the King of Travancore to accede to India and thus the Instrument of Accession was signed.