Your feeling is emotional .no medicine can increase the length of any organ in the body including the penis. By increasing the sexual strength and interest you became completely OK .See a Good doctor,not take advertised specified Medicines

Even is you think your sex organ is small there is no reason to increase the size. Sexual performance is unrelated to size of your sex organ. So there is no reason to worry about it. There is surgical correction available such as penile implants which may be available in India. Consulting a plastic surgeon may be an option