Skandapurana 2.7.26.5

2.7.26.5

4 vaiśākhavratināṃ varjyapadārthāḥ, gṛhasnāne duṣṭaphūlam, vratākaraṇe doṣaḥ, nadīsaptagaṃgādevakhātavāpīṣu snānaṃ dānaṃ ca, madhusūdanaprāthanārghyadānapūjanādikam..... 223 2

4. Substances to be avoided by those observing the vow of Vaiśākha; bad fruit of ablution at home; faults of not performing the vow; ritual ablution and gifting at rivers, the seven Gaṅgās, and divine stepwells; prayer to Madhusūdana, offering of water, worship, etc.... 223 2