Shab e Mairaj means the night where the last prophet Mohammad went on a journey to meet Almighty Allah. It is considered THE GREATEST MEETING OF THE UNIVERSE. In Islamic calendar, this amazing meeting took place on 27th Rajab. Due to which, this day has got an immense importance for Muslims. And Muslims do celebrate this day as a smaller Eid. They make sweet dishes and send to the neighboring houses and relatives. Also some people keep fasts for this day, specially.
The whole story of this wonderful journey has been very amazingly explained by one of the best Islamic Scholars of Pakistan, Molana Tariq Jameel.