The correct answer is A. Banabhatta.
Harshacharita is a Sanskrit biography of Harshavardhana, the sixth-century emperor of the Indian subcontinent. It was written by Banabhatta, a court poet of Harshavardhana. The Harshacharita is a valuable source of information about Harshavardhana’s life and times. It is also an important work of Sanskrit literature.
The Harshacharita is divided into seven chapters. The first chapter deals with Harshavardhana’s early life. The second chapter deals with Harshavardhana’s accession to the throne. The third chapter deals with Harshavardhana’s conquests. The fourth chapter deals with Harshavardhana’s administration. The fifth chapter deals with Harshavardhana’s religious activities. The sixth chapter deals with Harshavardhana’s death. The seventh chapter deals with the aftermath of Harshavardhana’s death.
The Harshacharita is a well-written and informative work. It is a valuable source of information about Harshavardhana’s life and times. It is also an important work of Sanskrit literature.
The other options are incorrect.
Option B, Rajyavardhana, was Harshavardhana’s elder brother. He was killed in battle by the Huna king Mihirakula.
Option C, Adityavardhana, was Harshavardhana’s father. He was the king of Thanesar.
Option D, Prabhakarvardhana, was Harshavardhana’s grandfather. He was the king of Thanesar.