Yadavas of Devagiri was an Indian dynasty, which at its peak ruled a kingdom stretching from the Narmada river in the north to the Tungabhadra river in the south, in the western part of the Deccan region. Originally a feudatory of the Eastern Chalukyas of Kalyani, the dynasty became paramount in the Deccan under Bhillama (c. 1187–91), who founded Devagiri (later Daulatabad) as his capital.

The Kayatha culture of the Chalcolithic period was situated in the Malwa region of Central India. Chalcolithic farming cultures are sequenced in the Malwa region beginning from the Kayatha culture, followed by Ahar and Malwa culture respectively. This culture is named after the site Kayatha which is situated in the Ujjain district on the banks of Chhoti Kali Sindh.

Thus, B is the correct answer.

Mahmud enhanced the image of Ghazni as a center of civilization that rose from the shackles of lawlessness into a cultured city. He is also credited with building a university at Ghazni and equipping it with a library, museum, and salaried teachers. Mahmud patronized the notable poet Ferdowsi, who after laboring 27 years, went to Ghazni and presented the Shahnameh to him. There are various stories in medieval texts describing the lack of interest shown by Mahmud to Ferdowsi and his life's work. According to historians, Mahmud had promised Ferdowsi a dinar for every distich written in the Shahnameh (which would have been 60,000 dinars), but later retracted his promise and presented him with dirhams (20,000 dirhams), at that time the equivalent of only 200 dinars. His expedition across the Gangetic plains in 1017 inspired Al-Biruni to compose his Tarikh Al-Hind in order to understand the Indians and their beliefs.

Thus, C is the correct answer.

Dayananda Saraswati was propounder of Arya Samaj who spread 4s of Swadharma, Swadeshi, Swabhasha and Swaraj. He wrote Satya Prakash, Vedabhasha Bhumika to focus on the Indian society which was getting converted to Christianity. They propagated revivalist movement in India.

To mark his Gujarat victory Akbar in 1575 built Buland Darwaza and Fatehpur Sikri in Agra (Uttar Pradesh). In Agra fort made by Shah Jahan there are four pillars of different names and one of the inner gateway is Hathi pol as the gateway consisting of elephant as in Hindi elephant called as hathi. Burj means Tower, made by Shah Jahan it was an octagonal tower. It was built near to the Diwan-I-khas for Mumtaz Mahal (his wife). Darwaza means Gate and Akbari Darwaza known as Akbar`s Gate. This gate is present on southward side of Agra fort.

The Deccan education society was set up in 1884. The society was founded by honourable Justice Mahadev Govind Ranade, V. S Apte, M.S. Gole etc. The seeds for the society were sown by Bal Gangadhar Tilak, Vishnushastri Chiplunkar and Gopal Ganesh Agarkar by establishing New English school in Pune in 1880. It was the first native school which offered western education and made rapid progress in higher education.

Gopal Hari Desmukh (1823-92), popularly known as “Lokahitawadi”, was a product of the Western learning in India. He was a judge and a member of the Governor-General's Council in 1880. He advocated humanitarianism and social service as the two driving forces in India.

Thus, A is the correct answer.

Thus, C is the correct answer.

So, the correct option is (D).

Thus, B is the correct answer.

Thus C is the correct answer.

Thus, A is the correct answer.