Chahar Gulzar Shujai is an infamous work in the history of Awadh in Persian language written by Har Charan Das. He dedicated this book to the (Nawab e Awadh) Shujaul Daulah1754-1775.This book is till now remained as an unpublished a manuscript. Har Charan Das was born about 1123 Hijri (1711-12) in meerut (U.P.), after the invasion of Nadir Shah (1739) began to live in Delhi and few years later became employee under the supervision of Nawab Qasim Ali Khan. Har Charan Das abandoned Delhi with his seignior Qasim Ali Khan and walked towards Awadh and stayed in Faizabad permanently. After the death of Qasim Ali Khan entered in the service of his children Bakht-un-Nisa Khanom, Shafeeque Ali Khan and Husain Ali Khan.