The Prime Minister of India, at the time of his/her appointment:
(a)
Need not necessarily be a member of one of the Houses of the Parliament but must become a member of one of the Houses within six months
(b)
Need not necessarily be a member of one of the Houses of the Parliament but must become a member of the Lok Sabha within six months
(c)
Must be a member of one of the Houses of the Parliament
(d)
Must be a member of the Lok Sabha