Political history of Sri Aurobindo
Anushilan Samiti was founded as an attempt to organize Bengali youth through a program of physical fitness and spiritual training for a nationalist program. By 1902, Calcutta had three societies working under the umbrella of Anushilan Samity, a society earlier founded by a Calcutta barrister by the name of Pramatha Mitra. These included Mitra's own group, another led by a Bengali lady by the name of Sarala Devi, and a third one led by Aurobindo Ghosh. The Anushilan Samiti had Aurobindo and Deshabandhu Chittaranjan Das as the vice-presidents, Suren Tagore the treasurer. Jatindra Nath Banerjee (Niralamba Swami), Bagha Jatin, Bhupendra Nath Datta (Swami Vivekananda's brother), Barindra Ghosh were among other initial leaders.
By 1905, the work of Aurobindo and his brother Barin Ghosh allowed Anushilan Samity to spread through Bengal.
Sunder Singh Lyallpuri
In the wake of Hindu-Muslim riots of 1924, Mahatma Gandhi and other national leaders like Maulana Mohammad Ali and Dr M. A. Anusari called a national "Ekta Samelan" at Delhi in 1924 which continued for several days. It concentrated mainly on national unity, mutual trust, love and brotherhood. At the end a Central National Panchayat was constituted which was authorised to recruit further members and expand it to the grass roots. With Mahatma Gandhi as its chairman and Convener, the National Panchayat included, among others, Lala Lajpat Rai, G. K. Nariman, Master Sunder Singh Lyallpuri, Dr S. K. Datta and Hakim Ajmal Khan. In the following years, Master Lyallpuri organised or else participated in several seminars or "Ekta Samelans" for the promotion of mutual love, trust and brotherhood among the Hindus, Muslims, Christians, and the Sikhs. Lyallpuri also remained a member of All India Congress Committee.