Chandigarh/ Ludhiana: This is video recording of speech of Dr. Sewak Singh on topic: “Hindi And Punjabi: Sociolinguistic Relations”. This speech was delivered during a Seminar organised by Samvad at Punjabi Bhawan, Ludhiana (Punjab) on July 24, 2016. The theme of the seminar was: “LANGUAGES OF THE SUB-CONTINENT AND THE PROCESS OF INDIAN NATION BUILDING“.