The killer of a Brahmana should practise the vow of Brahmacharya for twelve years, and devoting himself to penances, he should wander, holding in his hands the skull of the killed all the time and the time and proclaiming his sin to all. on
तथैव द्वादशसमाः कपाली ब्रह्महा भवेत्। ब्रह्मचारी भवेन्नित्यं स्वकर्म ख्यापयन् मुनिः॥