Explanation:

- Option 1: 1973

- This is indeed the correct year when 'Project Tiger' was launched. India initiated the project to protect its tiger population, increase awareness, and conserve their natural habitat.

- Option 2: 1982

- This year does not correspond with the start of 'Project Tiger'. It was already underway by this time.

- Option 3: 1993

- By 1993, Project Tiger was existing for two decades and was working on various conservation strategies.

- Option 4: 1962

- In 1962, the project was not conceived. It predated any official systematic conservation efforts for tigers in India.