In which month, bus service started between Srinagar and Islamabad

In which month, bus service started between Srinagar and Islamabad

کس مہینے میں سری نگر اور اسلام آباد کے درمیان بس سروس شروع ہوئی۔
Explanation

The bus runs a distance of 170 kilometres (110 mi).

The bus service was officially launched on April 7, 2005 and was flagged-off by the Indian Prime Minister Dr. Manmohan Singh.