The eight degree channel separate which of the following?

The correct answer is Minicoy and Maldives. 

The Nine Degree Channel separates Minicoy Island from the main Lakshadweep group, while the Eight Degree Channel lies between Minicoy and the Maldives, making these channels strategically important sea routes in the Arabian Sea.

Lakshadweep is a Union Territory of India and the country’s smallest administrative unit by land area. It covers about 32.62 square kilometres of the area. It is an archipelago of 36 coral islands located 220-440 km off the Malabar Coast between the Arabian Sea and the Laccadive Sea. Only ten islands are inhabited in this group of Islands. The islands have a 132 km coastline, 20,000 km² territorial waters, vast lagoon area and a huge Exclusive Economic Zone.