Tata Sons has raised Rs.100 crore through a five-year debenture issue. The bonds offered investors options of five years and another option for the same tenor, with a put/call option after three years. The core size was Rs.50 crore, with a green-shoe option to retain oversubscription. The company opted to retain the entire oversubscription for the bond issue. For the 5-year option, the coupon was 9.85 per cent, and for 5-year (3 year put/call) option, it was 9.65 per cent. DSP Merrill Lynch was the sole arranger and book-runner for the issue.