The Congress policy of pray and petition ultimately came to an end under the guidance of

The correct answer is B because Bal Gangadhar Tilak was the primary leader of the Extremist faction within the Indian National Congress who openly criticized the Moderate methods of prayer, petition, and protest. He advocated for more radical methods like Boycott, Swadeshi, and National Education to achieve Swaraj or self rule. Tilak shifted the Congress movement from elite intellectual discussions to a mass based struggle, effectively ending the era of passive petitions. While Aurobindo Ghosh and Lala Lajpat Rai were also Extremist leaders, Tilak is considered the main architect who transformed the Congress policy into a more assertive and defiant stance against British rule.