Option b is the correct answer. Ahmad Shah (1748-54) was an illiterate and indulging in sensual pursuits. He used to spend time with women and eunuchs for weeks. As a result, a group of eunuchs and ladies dominated during his reign. He entrusted the task of running the state to the queen mother Udham Bai and powerful eunuch Javid Khan, who dominated the affairs of the state. Afghan chief Ahmad Shah Abdali invaded Delhi twice in 1749 and 1752 during his reign.