SaaS startup Capillary Technologies has received board approval to raise INR 2,250 Cr through an IPO.The IPO will include INR 500 Cr through fresh share issuance and INR 1,750 Cr via offer for sale.Capillary Technologies plans to file its draft red herring prospectus with SEBI by June to raise $200 Mn.The company, founded in 2008, provides customer engagement software and closed its Series D round at $140 Mn last year.