- Statement 1 is correct. Amir Khusrao is credited with introducing many new ragas and musical forms, although specific names like 'ghora' and 'sanam' might require detailed verification, his overall contribution to Indian classical music and its fusion with Persian styles is well-established. - Statement 2 is correct. Amir Khusrao is widely regarded as the originator of the qawwali style of music, which blends Persian and Indian musical traditions. - Statement 3 is incorrect. While Amir Khusrao was a musician and contributed to musical instruments, the invention of the sarangi and rabab is not definitively attributed solely to him. The rabab existed before his time, and the sarangi evolved over a long period. - Statement 4 is correct. Amir Khusrao pioneered a new style of Persian poetry adapted to the Indian environment, known as Sabaq-i-hind or the 'Indian style'.