Correct Answer: (d) All the above
Solution:Poet Gopal Singh was in the court of King Raj Singh, the King of Ratanpur. He was born in 1660-61. He is known as 'Valmiki of Chhattisgarh'. He wrote many books like- 'Khoob Tamasha', 'Jaimini', 'Ashwamegh', 'Sudama Charit', 'Bhakti Chintamani' and 'Ram Pratap' etc.