Pāśupata-vrata Māhātmya: Dvādaśa-Liṅga Mahāvrata, Month-wise Dravya, and Pūjā-krama
अथवा ह्येकमासं वा चरेदेवं व्रतोत्तमम् शिवलोकमवाप्नोति नात्र कार्या विचारणा
athavā hyekamāsaṃ vā caredevaṃ vratottamam śivalokamavāpnoti nātra kāryā vicāraṇā
അല്ലെങ്കിൽ ഒരാൾ ഒരു മാസം മാത്രം ഈ ശ്രേഷ്ഠ വ്രതം അനുഷ്ഠിച്ചാലും, അവൻ സംശയമില്ലാതെ ശിവലോകം പ്രാപിക്കും; ഇതിൽ സംശയിക്കേണ്ടതില്ല।
Suta Goswami (narrating Linga Purana teachings to the sages of Naimisharanya)
It asserts the certainty of fruit (vrata-phala): even a month-long observance of the highest Shaiva vow connected with Shiva worship leads to Śiva-loka, emphasizing faith and disciplined practice over duration.
Śiva is presented as Pati—the sovereign bestower of liberation and divine abode—whose grace makes the result certain when the devotee (paśu) follows the prescribed vow with steadiness.
A Shaiva vrata (vow-observance) centered on Śiva/Liṅga worship; it aligns with Pāśupata discipline by stressing niyama (rule-bound practice) and unwavering conviction in the promised result.