Shiva Purana
हकारं विलिखेन्मध्ये विन्दुयुक्तं समाहितः ॥ पद्मस्य नैर्ऋते कोष्ठे चतुरस्रन्तदा लिखेत्॥ १७॥
Write the hakara with a dot in the middle with concentration. Then write four rows in the southwest cell of the lotus.
english translation
hakAraM vilikhenmadhye vinduyuktaM samAhitaH ॥ padmasya nairRte koSThe caturasrantadA likhet॥ 17॥
hk transliteration by Sanscript