Narada Purana — Purva Bhaga, Shloka 2
Kalpa-Lakṣaṇa and Gṛhya-Kalpa: Classifications, Purifications, Implements, and Spatial Rite-Design
नक्षत्रकल्पो वेदानां संहितानां तथैव च । चतुर्थः स्यादाङ्गिरसः शान्तिकल्पश्च पञ्चमः ॥ २ ॥
nakṣatrakalpo vedānāṃ saṃhitānāṃ tathaiva ca | caturthaḥ syādāṅgirasaḥ śāntikalpaśca pañcamaḥ || 2 ||
就诸《吠陀》及其《本集》(Saṃhitā)而言，第四部被称为“宿曜仪轨”(Nakṣatra-kalpa)；其后（第五）为“安吉罗萨仪轨”(Āṅgirasa-kalpa)，并亦有“息灾仪轨”(Śānti-kalpa)。
Sanatkumara (teaching Narada in the Moksha-Dharma discourse)
Vrata: none
Primary Rasa: shanta
Secondary Rasa: none
FAQs
It frames specific Kalpa traditions (Nakṣatra, Āṅgirasa, and Śānti) as authoritative Vedic supports, showing that correct ritual method and remedial rites are organized within recognized Vedic systems.
Indirectly: it situates devotional and dharmic practice within disciplined Vedic procedure—right timing (nakṣatra-based) and śānti (pacification) support a steady mind and orderly life conducive to bhakti and mokṣa-oriented living.
Kalpa-oriented applied knowledge—especially nakṣatra-based scheduling (astral timing) and śānti-karmas (remedial/pacificatory rites)—as structured aids for performing Vedic rituals correctly.