Explanation:

In 1884, Lala Lajpat Rai father was transferred to Rohtak and Rai came along after the completion of his studies at Lahore. In 1886, he moved to Hisar where his father was transferred, and started to practice law and became founding member of Bar council of Hisar along with Babu Churamani. Since childhood he also had a desire to serve his country and therefore took a pledge to free it from foreign rule, in the same year he also founded the Hisar district branch of the Indian National Congress and reformist Arya Samaj with Babu Churamani (lawyer), three Tayal brothers (Chandu Lal Tayal, Hari Lal Tayal and Balmokand Tayal), Dr. Ramji Lal Hooda, Dr. Dhani Ram, arya samaji Pandit Murari Lal, Seth Chhaju Ram Jat (founder of Jat School, Hisar) and Dev Raj Sandhir.

In 1888 and again in 1889,Lala Lajpat Rai had the honor of being one of the four delegates from Hisar to attend the annual session of the Congress at Allahabad, along with Babu Churamani, Lala Chhabil Das and Seth Gauri Shankar. In 1892, he moved to Lahore to practice before the Lahore High Court. To shape the political policy of India to gain independence, he also practiced journalism and was a regular contributor to several newspapers including The Tribune. In 1886, he helped Mahatma Hansraj establish the nationalistic Dayananda Anglo-Vedic School, Lahore which was converted to Islamia College (Lahore) after 1947 partition of India.