Operating Margins Continue to Sustain in H1FY17: Half yearly revenues remained flat, EBITDA margins continued to sustain - Nilkamal Ltd (NL) witnessed a flat growth of -0.5% on a YoY half yearly standalone basis, with EBITDA margins showing an improvement of 70 basis points (bps) mainly on account of the decrease in the raw material prices. Its net margin alsoimproved mainly on account of the decrease in the interest cost due to reduced debt on the books.