Most important disease of banana in India is

The most important disease of bananas in India is bunchy top.
The banana bunchy top is a viral disease caused by a single-stranded DNA virus called the banana bunchy top virus (BBTV). It was first identified in Fiji in 1879. The disease is transmitted from plant to plant in tropical regions of the world by aphids.
Banana bunchy top disease affects the banana fruit and foliage and is caused by a single-strand DNA virus, the banana bunchy top virus. BBTV can infect species of the family Musaceae, which includes bananas, plantains, abaca and more.