Naman Ramachandran Indian filmmaker Rahul Jain, whose new film “Invisible Demons” has its world premiere at Cannes in the cinema for the climate special section, is prepping “Falling Star,” a limited fiction series.Jain is developing the series, which is likely to consist of six or seven one-hour episodes, via his Jann Pictures. It will see him reunite with Heino Deckert’s Ma.Ja.De.