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.