The given sentence 'He was invited to the meeting' is in Passive Voice. It can be originally written in passive voice as: He was invited to the meeting (by them) or He was invited to the meeting (by us)
The outcomes of the aboriginal Round Table Conference were minimal: India was to advance into a federation, safeguards apropos defence and accounts were agreed and added departments were to be transferred.
Demerits of the first round table conference was:-
The Congress decided to boycott the First Round Table Conference because it wanted the summoning of a Constituent Assembly to draft a Constitution for India which the British Government refused.