During her stay in Rome, she also completed her Baccalaureate and Licentiate in Theology at the Pontifical University of St. Thomas Aquinas –Angelicum. In 2008, Sr. Theresa obtained her Doctoral degree in Theology of Consecrated Life from the Institute of the Theology of Consecrated Life (ITVC) “Claretianum”, incorporated to the Pontifical Lateran University, Rome. In the same year she returned to Bangalore, India and she taught at the Sanyasa Institute of Consecrated Life of the Claretians at Carmelaram in Bangalore, at Vinayasadhana Institute of Formative Spirituality and Counseling (DVK), and at Vidyadeep College, Bangalore.
On 24 June 2013, while participating in the XI General Chapter of the Institute she was elected as the Superior General (IV Superior General after the Venerable Foundress, Maria Oliva Bonaldo of the Mystical Body) for a period of six years from 2013 to 2019.
At the XII General Chapter, on 28 June 2019, solemnity of the Sacred Heart of Jesus, she has been re-elected for a second six-year term of service as Superior General.