A fresh survey to identify a minimum of eight million new beneficiaries of the flagship rural housing scheme, in addition to the 12 million already identified, will use the latest face-recognition tools to minimise gaps, a senior official said on Tuesday.The survey, which has already started across the country for building the fresh 20 million new rural houses over the next five years, can also be done by the beneficiary himself/herself as well through the Awaassoft mobile application specially created for this purpose.