Option 1: Five years. This option states that India was elected as a member to the United Nations Human Rights Council (UNHRC) for a period of five years. However, this is incorrect. The correct answer is three years.

Option 2: Four years. This option states that India was elected as a member to the UNHRC for a period of four years. However, this is also incorrect. The correct answer is three years.

Option 3: Three years. This option states that India was elected as a member to the UNHRC for a period of three years. This is the correct answer.

Option 4: Two years. This option states that India was elected as a member to the UNHRC for a period of two years. However, this is incorrect. The correct answer is three years.

In October 2018, India was indeed elected as a member to the UNHRC for a period of three years. The UNHRC is an intergovernmental body within the United Nations system responsible for promoting and protecting human rights around the world. India`s election reflects its commitment to human rights and its active participation in international efforts to address human rights issues.