Observed on Śukla-Caturthī tithi of Jyaiṣṭha (lunar) month. Perform puja of Shiva-Parvati under a banana tree or on a banana leaf, do naivedyam of 100+ bananas and give away to small girl children.
पुत्रान् देहि धनं देहि सौभाग्यं सर्वमङ्गले। सौमङ्गल्यं सुखं ज्ञानं देहि मे शिवसुन्दरि॥