yathā kāñcanatāṁ yāti kāṁsyaṁ rasa-vidhānataḥ tathā dīkṣā-vidhānena dvijatvaṁ jāyate nṛṇām

yatha kancanatam yati
kamsyam rasa-vidhanatah
tatha diksa-vidhanena
dvijatvam jayate nrnam
"As bell metal can be turned into gold when treated with mercury, a disciple initiated by a bona fide guru immediately attains the position of a brahmana."
As far as the time of diksa (initiation) is concerned, everything depends on the position of the guru. As soon as a bona fide guru is received by chance or by a program, one should immediately take the opportunity to receive initiation. In the book called Tattva-sagara, it is stated:
 

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