Zandu Rhumasyl Gel contains a blend of natural ingredients that work together to provide effective pain relief. The gel contains camphor, which has analgesic properties and helps to relieve pain. Menthol, another active ingredient, has cooling and soothing properties, which can help to reduce inflammation and swelling. Eucalyptus oil is a natural anti-inflammatory that can help to reduce pain and swelling, while oil of wintergreen has analgesic properties that can provide pain relief.