Jitendra Khasnis is a pool and open water swimming coach from India’s Shark Aquatic Club who has coached numerous teenagers and young children on various marathon swims around the world including Varada Dharmadhikari , Sayali Pendharkar , Atharva Rakshe , and Tejas Sakaran , swimmers the annual India National Open Water Swimming Competition , Anushka Purandare , and Sampanna Ramesh Shelar and Soham Sheth across Mandva Jetty to Gate Way of India in the Arabian Sea .