who started the construction of qutab minar at delhi
Qutb Minar Qutab-Ud-Din-Aibak, founder of the Delhi Sultanate, started construction of the Qutub Minar's first storey around 1192. In 1220, Aibak's successor and son-in-law Shamsuddin Iltutmish completed a further three storeys. In 1369, a lightning strike destroyed the top storey. Firoz Shah Tughlaq replaced the damaged storey, and added one more. Sher Shah Suri also added an entrance to this tower while he was ruling and Humayun was in exile.[5]
Delhi Junction railway station Delhi Junction, also known as Old Delhi Railway Station (station code DLI), is the oldest railway station of Delhi city and a Junction station. It is the one of busiest railway station in India in terms of frequency. Around 250 trains starts, ends, or passes through the station daily. It was established near Chandni Chowk in 1864 when trains from Howrah, Calcutta started operating up to Delhi. Its present building was constructed by the British Indian government in the style of nearby red-coloured fort and opened in 1903. It has been an important railway station of the country, and preceded the New Delhi Railway Station by about 60 years. Chandni Chowk underground station of the Delhi Metro is near it.