Bhagavad Gita Chapter 6 Verse 12

Gita 6.12

तत्र, एकाग्रम्, मनः, कृत्वा, यतचितेन्द्रियक्रियः,
उपविश्य, आसने, युज्यात्, योगम्, आत्मविशुद्धये।। 12।।

Gita 6.12

Tatr, ekaagrm’, manH, krtva, yatchitendriyakriyaH,
Upvishya, aasne, yunjyaat’, yogam’, aatmvishuddhye ||12||

Translation: (Tatr) that (aasne) on seat (upvishya) after sitting (yatchitendriyakriyaH) keeping the activities of the mind and senses under control (manH) mind (ekaagrm’) one-pointed (krtva) keeping/with (aatmvishuddhye) for purification of the inner-self (yogam’) sadhna (yunjyaat’) should practice. (12)

Gita 6.12: After sitting on that seat, keeping the activities of the mind and senses under control, he should practice sadhna with one-pointed mind for the purification of the inner-self.