Read more about Baba Ramdev's Ruchi Soya files FPO document to raise up to Rs 4,300 cr on Business Standard. Edible oil firm Ruchi Soya, which is owned by Baba Ramdev-led Patanjali Ayurveda, has filed draft document with SEBI to launch a follow-on public offer (FPO) for raising up to Rs 4,300 crore.