Persecution and Reorganiz.ation
125
Shah Nawaz did not have a long term as governor of Lahore.
Yahya Khan escaped from jail and appeaJed to his father-in-law,
Wazir Qamamddin, to help him regain power in the Punjab.
Shah Nawaz, on the advice of Adina Beg, invited Ahmed Shah
Abdali, who had succeeded his master, Nadir Shah, as ruler of
Afghanistan, to invade the country.
While Zakarya Khan's sons were busy fighting each other, the
Sikhs were quietly recouping their strength. After the general
meeting of the Sarbat Khalsa on the first of Baisakh, 30 March
1747, they built a mud fortress just outside Amritsar which they
named Ram Raum in honour of the founder of the city, Guru Ram
Das.