"Growth in housing sales both in volume and value terms augurs well for the overall economy as more than 200 ancillary industries, including cement and steel, are dependent on the real estate sector,” said Vikas Wadhawan, Group CFO, REA India. PropTiger.com data showed that housing sales grew by 41 per cent to 1,20,640 units in the first quarter of this calendar year from 85,840 units in the corresponding period of the previous year.