Kosala is a famous Marathi novel, which was written by Bhalchandra Vanaji Nemade. This remarkable novel first published in 1963. This book is also known as Kolsa. This novel translated into English and many other languages. The English edition of this novel published in 1997. The story of this book is about a 25 years young man, Pandurang Sangvikar. This novel was written using the autobiographical form.