Hirco PLC, the investment vehicle of Mumbai-based Hiranandani Developers, has announced that sales of residential units in Phase 1 of its Hiranandoni Palace Gardens township development in Chennai continue to be robust both in terms of volume of units sold and the level of pricing achieved. As of March 31, sales revenues have been received on proximately 15.62.820 square feet at on overage price of RS 3,906 per square foot.