Om Nandikeśvarāya Namaḥ - Nandi Nāma Mantra
ॐ नन्दिकेश्वराय नमः
Salutation to Nandikeśvara, the bull-faced gaṇa and gatekeeper of Śiva; whispered to before entering the garbhagṛha.
ॐ नन्दिकेश्वराय नमः॥
Honor this prayer with action.
Offer a Nandi seva