The correct option is A Shahuji
Balaji Vishwanath was appointed as Peshwa in 1713 during the period of Shahuji. With the support of Peshwa Balaji Vishwanath, the Maratha Empire under Sahuji Maharaj became very powerful. Peshwa Balaji Vishwanath was instrumental in winning important political elements in Maharashtra to Shahu's cause.