Complex sentence: He gave his own attire to Sangat Singh who resembled him somewhat in features and physical stature, and, under cover of darkness, made good his way through the encircling host slackened by the fatigue of the day's battle.
Split into simpler sentences: He gave his own attire to Sangat Singh, who resembled him somewhat in features and physical stature. Uunder cover of darkness, he made his way through the encircling host slackened by the fatigue of the day's battle.