The correct answer is 1 only.Hindustan Socialist Republican Association (HSRA):Hindustan Republic Association at a historic meeting in the ruins of Ferozshah Kotla in Delhi was converted into the Hindustan Socialist Republican Association in September 1928.Under the leadership of Chandra Shekhar Azad, the name of HRA was changed to the Hindustan Socialist Republican Association (HSRA).The participants included Bhagat Singh, Sukhdev, Bhagwaticharan Vohra from Punjab and Bejoy Kumar Sinha, Shiv Verma and Jaidev Kapur from the United Provinces.The HSRA decided to work under collective leadership and adopted socialism as its official goal.Hence, only 1 is the correct answer.Additional InformationHindustan Republican Association/Army:The HRA was founded in October 1924 in Kanpur by Ramprasad Bismil, Jogesh Chandra Chatterjee and Sachin Sanyal, with an aim to organise an armed revolution to overthrow the colonial government and establish in its place the Federal Republic of United States of India whose basic principle would be an adult franchise.Ajay Ghosh was a prominent leader of the Communist Party of India.Jatindra Nath Das was a member of the Hindustan Socialist Republican Association.Important PointsThe revolutionary Phanindranath Ghosh of Bihar attended the meeting of the Hindustan Socialist Republican Army in September 1928.Phanindra Nath Ghosh, who was previously a prime member of the Revolutionary Party, deceitfully betrayed the cause by becoming an approver and provided evidence that led to the execution of the revolutionaries in the Lahore conspiracy case.