A hand painted car, Maximum Nano, signed by Malayalam megastar Mohanlal and previously displayed at the Kochi-Muziris art biennale, is one of the highlights of the upcoming Saffronart auction. The white Tata Nano, painted in vivid colours by artist Bose Krishnamachari, is being auctioned to collect funds for the next biennale scheduled in December 2014, according to the Kochi Biennale Foundation. The 24-hour-long online bidding hosted on the auction house’s website is slated to begin at 8 p.m. on July 29. – PTI