The Bharatiya Janata Party (BJP) on Friday said it will not interfere in the Uttarakhand government's move making singing of the national anthem and song compulsory in the state universities."That is the state government's decision and the state is bound by its decision. How does BJP interfere in the government functioning? We know the difference between the party and the government. I (party) have no authority," BJP spokesperson Meenakshi Lekhi told media persons here.Uttarakhand's Minister of State for Higher Education Dhan Singh Rawat, during a function at a collage in Roorkee, said that if students want to live in the state, they will have to sing national anthem in the morning and national song in the evening.Rawat had earlier made hoisting of national flag mandatory in the universities across the state.