Section 62 in The Port Rules for the Port Of Visakhapatnam
62. The master of any vessel arriving within the port with ammunition, explosives other than fireworks, etc. forming part of the ships equipment of distress signals or over 100 lb. in weight of gunpowder on board as cargo, shall display a red flag B of the international code at the board as cargo, shall display a red flag B of the international code at the fore during day-light, and between sunset and sunrise shall exhibit, when at anchor, a red light at the force for such time as the ammunition, explosives or gunpowder may be on board within port limits.
