Tall minarets were the significant and one of the earliest features of Islamic architecture. A double dome is built of two layers. One layer inside which provides ceiling to the interior of the building and the other layer is the outer one which crowns the buildings. The method of making double dome was practised in East Asia for quite some time before it was imported into India. A cenotaph is an empty tomb or a monument erected in honour of a person or group of people whose remains are elsewhere.
Each sarkar of Sher Shah Suri was divided into several parganas. Shiqdar (military officer), Amil (land revenue), Fotedar (treasurer), and Karkuns (accountants) were the officers in charge of the administration of each pargana.
Some of the causes of Ibrahim Lodhi’s defeat in First Battle of Panipat were: 1. Babur used Artillery in the battle and Indian soldiers were not familiar with the use of artillery.2. The army of Babur was better disciplined and fully trained and well equipped.3. The country was divided into petty states and small principalities.