Maintain BUY with SOTP of Rs 270/sh. IRBs 2QFY18 revenue, EBIDTA and PAT were (15.7)/ (7.5)/9.1% ahead/ (below) our estimates. BOT revenue (ex-6 BOTs, which were transferred to IRB InvIT) de-grew 33.8% YoY. EBITDA margins contracted ~395bps YoY, owing to higher EPC revenue share (70% rev share vs 57% YoY). The EPC segment has lower EBIDTA margins vs BOT.