In which one of the following works has Amir Khusrau praised the climate of India, its languages, notably Sanskrit, its arts and music and even its animals?

Nuh Sipihr (The Nine Skies), composed by Amir Khusrau in 1318 during the reign of Mubarak Shah Khalji, contains his famous praise of India. In the third sky (sipihr) of this work, Khusrau extols India's climate, its languages including Sanskrit, its arts, music, sciences, flora, fauna, and even its animals, declaring India to be a paradise on earth. He praised Sanskrit as superior to Arabic and Persian in certain respects and celebrated Indian musical traditions. Khazainul Futuh is a historical work on Alauddin Khalji's conquests, Dewal Rani Khizr Khani is a romantic mathnawi, and Ijaz-i Khusrawi is a collection of his prose writings. Nuh Sipihr stands out as his most patriotic celebration of India.