Visakhapatnam: An 11-year-old boy of Peda Waltair in the city drowned at beach here on Saturday. The victim Siddhu along with his father Tirupati went to the beach for taking a holy bath in the morning as part of the Mahasivaratri celebrations. However, the Siddhu, accidentally drowned in sea. A pall of gloom descended on the neighbourhood as the news about Siddhu broke out.