In a double-blinded study, participants and investigators will be blinded. Participants will be unaware of the type of treatments that will receive and the investigator will be unaware of the type of treatment on which group which intervention will be given and for what purpose that be evaluated after the completion of the intervention trial. subjects will choose between two samples. both the samples are in the same packing. In one sample, glucosamine sulfate gel with proprioceptive exercises i.e., standing on 1 leg [eyes open and closed], knee flexion and extension exercises [sitting position with a chair and TheraBand], Walking on heel and toes [forward, backward, left, right, carioca crossover with eyes open and closed], Half squat on soft ground, Side lunge, One-legged balance exercise. In another sample, an aqueous gel with no effects for the satisfaction of subjects and proprioceptive exercises i.e., Standing on 1 leg [eyes open and closed], Knee flexion and extension exercises [sitting position with a chair and TheraBand], Walking on heel and toes [forward, backward, left, right, carioca crossover with eyes open and closed], Half squat on soft ground, Side lunge, One-legged balance exercise will be given. Subjects and investigators will be completely unaware of the type and effects of both interventions.