Shiva Purana

siva.sh/siva-purana/rudra-samhita/139/18

अनिर्विण्णास्ततस्सर्वे क्रमशोऽवर्द्धयंस्तपः ।। तेपुस्त्रयस्ते तत्पुत्रा विधिमुद्दिश्य सत्तमाः ।। १८ ।।

sanskrit

They were not at all vexed or distressed thereby. They gradually increased the severity of their austerities. Thus the three excellent sons of Tāraka performed penance with Brahmā as the object of their worship.

english translation

anirviNNAstatassarve kramazo'varddhayaMstapaH || tepustrayaste tatputrA vidhimuddizya sattamAH || 18 ||

hk transliteration by Sanscript

siva.sh/siva-purana/rudra-samhita/139/18

अनिर्विण्णास्ततस्सर्वे क्रमशोऽवर्द्धयंस्तपः ।। तेपुस्त्रयस्ते तत्पुत्रा विधिमुद्दिश्य सत्तमाः ।। १८ ।।

sanskrit

They were not at all vexed or distressed thereby. They gradually increased the severity of their austerities. Thus the three excellent sons of Tāraka performed penance with Brahmā as the object of their worship.

english translation

anirviNNAstatassarve kramazo'varddhayaMstapaH || tepustrayaste tatputrA vidhimuddizya sattamAH || 18 ||

hk transliteration by Sanscript