FINAL OUTCOME   Young industrialist Madhuresh is walking restlessly with his wife Rekha in front of the emergency ward of the Indian Institute of Medical Sciences. Their four-year-old son Rahul is to undergo an operation. Rahul is their only child. That is why both their hearts are pounding. Madhuresh, who is always proud of money, is today addressing the hospital's ward boy as 'bhai sahab'.  The preparations for the operation are complete. Madhuresh pleaded with the doctor, "Doctor Sahab, please save my child, no matter how much money it costs." "Money is not the cure for every problem, Mr. Don't