# Tvaṣṭā [[sb/5/15/14-15#purport|SB 5.15.14-15]], [[sb/6/6/38-39#purport|SB 6.6.38-39]], [[sb/8/10/29#purport|SB 8.10.29]], [[sb/8/11/35#purport|SB 8.11.35]] * mistake of, in chanting mantra, [[sb/6/9/11#purport|SB 6.9.11]] * Nārāyaṇa-kavaca received by, [[sb/6/9/53#purport|SB 6.9.53]] * Vṛtrāsura created by, [[sb/6/9/11-17#purport|SB 6.9.11-17]], [[sb/6/17/38#purport|SB 6.17.38]] * wife & sons of, [[sb/6/6/44#purport|SB 6.6.44]]