The temple was expected its completion by Feb 5 but it got delayed due to the coronavirus outbreak; The foundation of the temple is to be laid with a 40 kg silver brick...
PM Modi, likely to lay the foundation of 'Ram Mandir'

Ayodhya: The groundbreaking ceremony for the foundation of Ram Temple in Ayodhya is to be held on August 5. According to the sources, an invitation was sent to Prime Minister Narendra Modi, home minister Amit Shah, Defence Minister Rajnath Singh along with Maharashtra chief minister Uddhav Thackeray and RSS Chief Mohan Bhagwat. It's been decided to send an invitation to about 300 people for the ceremony. 

The groundbreaking ceremony (bhumi pujan) is marked to be done around 12:15 pm. Prime Minister Narendra Modi will lay the foundation of the temple with a 40 kg silver brick in the sanctum Sanctorum. There will be five silver bricks,  which symbolize the five constellations. However, this will be the PM's first visit to Ram Mandir. PM announced the completion of Temple by Feb 5 but it got delayed due to the coronavirus outbreak. However, according to the reports, the length, breadth, and height of the Ram Temple have been expanded after the meeting held on July 18. Apart from this, three domes earlier was changed to five now. The temple height is now said to be 161 feet. 

It is estimated around  3 and a half years for the complete construction of the Temple.  The model for the construction of this RamTemple was prepared by Chandrakant Sompura. Initially, two dates, Aug 3rd and 5th were decided for the 'Bhoomi Pujan' ceremony by the members of Shri Ramjanmbhoomi Teerth Kshetra Trust. The final call over the date of groundbreaking ceremony has been decided by the Prime Minister's Office (PMO) which is Aug 5.