After the independence of India, he was selected as the Parliamentary Secretary in his own state, Uttar Pradesh. On 15th of August in the year 1947, he allotted as the Minister of Police and Transport under the Chief Ministership of the Govind Ballabh Pant. He was the first Transport Minister who employed women conductors and Minister of Police who ordered to use jets of water in place of lathis to the police to scatter the public crowds.
As A Cabinet Minister
He was selected as the General Secretary of All-India Congress Committee in the year 1951 when Jawaharlal Nehru was the Prime Minister. As a General Secretary, he was in charge for the candidates selection and all the activities related to the election. On 3rd of April in 1952, he was nominated to the Rajya Sabha from UP and appointed as the Railways and Transport Minister in the Central Cabinet from 13th of May, 1952 to 7th of December, 1956. After a railways accident at Mahbubnagar in the month of September in 1956, he resigned from the Railways and Transport Ministership which was rejected by the Nehru. After a second railway accident at Ariyalur in the Tamil Nadu, he again resigned from the Railways and Transport Ministership.
He returned to the Cabinet in the year 1957 as a Minister for Transport and Communications and then Minister of Commerce and Industry. He also became the Union Home Minister in the year 1961 and worked on the Prevention of Corruption in the India.
All his lifetime, Shastri was known for honesty and humility. He was the first person to be posthumously awarded the Bharat Ratna, and a memorial "Vijay Ghat" was built for him in Delhi. Several educational institutes, Shashtri National Academy of Administration (Mussorie) is after his name these were some examples. The Shastri Indo-Canadian Institute was named after Shastri due to his role in promoting scholarly activity between India and Canada..
"True democracy or the swaraj of the masses can never come through untruthful and violent means" -Lal Bahadur Shastri