Foot drop is basically because of nerve. Better consult physiotherapist so that electrical stimulation of muscles will be done and various exercise will be thought for same.

Physiotherapy will help you

Avoid Squatting- Avoid sitting Cross legged. Contrast Fomentation (Hot and Cold). Quadriceps strengthening exercises-

Stimulation and active assisted exercises will help you. Start strengthening exercises afterwards.

Muscle stimulation would help. Active/ active assisted movements in the initial phase followed by strengthening with resistance bands necessary. Leg extensions, abductions in sitting and laying down position to be done for maintaining the strength of the hip and the thigh muscles. Ankle strengthening and balance activities are of utmost importance once the active moments of the ankle are gained.