Mysuru: Lakshmipuram Police have registered a case against former Bigg Boss Kannada contestant and social activist Prashanth Sambaragi on charges of posting a fake picture of multi-lingual actor Prakash Raj bathing at Triveni Sangama during the Maha Kumbh Mela held at Prayagraj in Uttar Pradesh on social media. Yesterday morning, the actor, who visited Lakshmipuram…