How many houses in India?

According to 2011 Census:- 330- Million houses, 247- Million household, 50% has 4 or less members, 150 Millions Children World Wide, 61 Millions Children in India, 67% use firewood, 53% have sanitation, 83% water supply, 67% have electricity, 63% landline/mobile, 43% have T.V, 26% have 2wheeler, 42% Poverty in 2005, 33% Poverty in 2010, 34% population lives less than $1.25 aday(2005), 29% Population below poverty lines (2010) April 1, 1774- Postal Service established in India, 23,344- Post office n India(1947), 4,66,903 - Employees (as of 31st March 2011) 1,54,866 - Post Office(2011)