Markets regulator Securities and Exchange Board of India (SEBI) warned yoga guru Baba Ramdev against any public communication that deviates from the compliance requirements set out following the issue of a follow-on public offering (FPO). The FPO in question pertains to Ruchi Soya which had filed its draft document with SEBI for a follow-on public offer (FPO) for raising up to Rs 4,300 crore.