Kollam is a city in the state of Kerala, on India's Malabar Coast. ItвЂ™s known as a trade hub and for its beaches, like lively Kollam and secluded Thirumullavaram. Sardar Vallabhbhai Patel Police Museum has artifacts tracing the history of the police force. Nearby, Ashtamudi Lake is a gateway to the Kerala backwaters, a network of waterways rich with vegetation. The striped 1902 Tangasseri Lighthouse has ocean views.