UFO Sighting in Dalip chak, Bihar on July 15th 2015 – was on roof top with friend and seen changing light

We were sitting on roof top and the weather was cloudy then suddenly a light came from the sky changing colour red blue white and it was coming from cloud but because of dense cloud it was not visible then I take out my phone and try to capture it but nothing captured in my phone I don't know why then another comes so as proof we called out many people and in 10min it disappered