Essential guide: Receiving and perfecting the mantra
The following injunction is given in the Hari-bhakti-vilāsa (1.194): tāntrikeṣu ca mantreṣudīkṣāyāṁ yoṣitām apisādhvīnām adhikāro ‘stiśūdrādīnāṁ ca sad-dhiyām “Śūdras and women who are chaste and sincerely interested in understanding the Absolute Truth