The correct answer is option 1: 1-2-3-4. This means that the tropical forest groups in India are arranged in the following order based on the area covered: moist deciduous, dry deciduous, wet evergreen, and semi-evergreen.

1. Moist deciduous forests: These forests are characterized by a moderate amount of rainfall and have a wide variety of trees that shed their leaves during the dry season. They are found in regions with a distinct wet and dry season, such as central and eastern India, covering a large area in the country.

2. Dry deciduous forests: These forests receive even less rainfall than moist deciduous forests and have trees that shed their leaves for a longer period during the dry season. They are found in areas with a prolonged dry season, such as parts of central and southern India.

3. Wet evergreen forests: These forests are found in regions with heavy rainfall throughout the year. The trees in these forests remain green all year round, making them dense and diverse in terms of species. They are found in areas with high humidity, such as the Western Ghats and northeastern India.

4. Semi-evergreen forests: These forests lie between the wet evergreen and moist deciduous forests in terms of rainfall and tree