The foundation stone of the Matrimandir was laid at sunrise on 21st February 1971 - the Mother 's 93rd birthday - and took 37 years until completion in May 2008 .
The foundation stone of the Matrimandir was laid at sunrise on 21st February 1971 - the Mother 's 93rd birthday . 
 The structure , took 37 years until completion in May 2008 .