The correct answer for the time when the Human Organ Transplantation Act came into existence in India is option 1, which is 1994. The Human Organ Transplantation Act is an important legislation in India that regulates the donation, transplantation, and use of human organs.

Option 2, which is 1995, is incorrect. This year is not the correct year for the enactment of the act.

Option 3, which is 1996, is also incorrect. This year does not correspond to the time when the act was established.

Option 4, which is 1997, is also incorrect. The act was not enacted in this year.

Therefore, the correct answer is option 1, 1994, as it aligns with the year when the Human Organ Transplantation Act came into existence in India.