In 1969 Prabhudasi Sisters (PSA) were invited to Kanhei and “Nirmala Health and Maternity Center” was inaugurated to be administered by the Sisters while the Parish Priest looked after the “Bal Kalyan Kendra” for other social schemes.
In 1990 Fr. Freddie D’Souza replaced Fr. William. He focused on Women’s development and self-reliance. He was succeeded by Fr. Mobin Michael in 1993. It was during 1993-1996, that a few new Catholic families settled down in places like, Sushant Lok and Maruti Vihar. Fr. Anthony Francis took the reign of the parish in 1996 as the number of migrants kept growing.
In 1999, Fr. Lourdusamy took over and with the steady growth of the Catholic community, the construction of a new Church and rectory was taken up in 2001. The monumental Church dedicated ro the Immaculate Conception of Our Lady was inaugurated by His Grace Vincent M. Concessao, Archbishop of Delhi on 9th November, 2003. It is said Fr Lourduswamy would wait on the highway and follow any car with a rosary hanging on the dashboard to invide new families to join the Parish.
The Parish Priests who succeeded Fr. Lourdusamy were; Fr. Anthony Francis, Fr. Vincent Salvatore and Fr. Susai Sebastian followed by Fr. Arul Anthony under whom the Church was renovated as the backdrop in the sanctuary had to be replaced. A simple blessing was done on 19th March, 2016 by His Grace Anil J T Couto.
In the year 2011, the Church of Holy Name in Sector- 55 was bifurcated from the parish of Immaculate Conception.