Dīkṣā, Mantra-Types, Mantra-Doṣas, and Qualifications of Ācārya–Śiṣya
षड्विंशत्यक्षरो वापि षट्त्रिंशद्वर्णंकोऽपि वा । एकोन त्रिंशदर्णो वा मंत्रो हीनांगकः स्मृतः ॥ ५० ॥
ṣaḍviṃśatyakṣaro vāpi ṣaṭtriṃśadvarṇaṃko'pi vā | ekona triṃśadarṇo vā maṃtro hīnāṃgakaḥ smṛtaḥ || 50 ||
Mantra yang mempunyai dua puluh enam suku kata, atau yang mempunyai tiga puluh enam huruf, atau yang mempunyai dua puluh sembilan huruf, dianggap sebagai mantra “hīnāṅgaka”, yakni mantra yang cacat anggotanya.
Sanatkumara (teaching Narada)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: bhayanaka
It stresses that mantra-japa and ritual effectiveness depend on correct mantra-structure; a mantra with improper syllable/phoneme count is treated as lacking its proper “limbs,” and thus is not fit for intended ritual results.
It implies that devotion is strengthened when worship is performed with śāstric care—properly formed mantras support focused remembrance and disciplined Vishnu-bhakti rather than careless recitation.
Śikṣā (phonetics) and allied mantra-vidyā: counting akṣaras and varṇas, and diagnosing mantra-doṣa (defects) that make a mantra hīnāṅgaka for ritual application.