VIJAYAWADA: The Andhra Pradesh government’s initiative to implement energy efficiency technologies in the massive housing project of ‘Navaratnalu – Pedalandariki Illu’ has attracted the attention of delegates at the international conference on Augmenting Nature by Green Affordable New-Habitat (ANGAN) in New Delhi. Several delegates have enquired about the AP’s energy efficient housing programme and opined that it is unique and will help provide best residential facility to beneficiaries, besides improving their living standards.