Which of Ashok Patki popular compositions  is an Indian song and accompanying video promoting national integration and unity in diversity?
Ashok Patki:  He is best known for his very popular compositions like "Mile Sur Mera Tumhara", "Purab Se Surya Uga". Mile Sur Mera Tumhara: "Ek sur" (One Tune) (languages of India), or "Mile Sur Mera Tumhara" as it is better known, is an Indian song and accompanying video promoting national integration and unity in diversity.
Mile Sur Mera Tumhara