Sector-9 exchange is giving FTTH connections. As per the list on their website
http://mtnldelhi.in/FTTH/STLlist.xls following Societies/Apartments are covered:
Chetak, Janhit, Kamdhenu, Parwana, Oriental, Ahinsa, Vasundhra, Navyug, New India, Multan, Samrat Ashok, Jai, Maitri, Friends, Vishwa, Prem Kutir, LokNayak, Vasudha, Lake View, Green View, Neelgiri, New Saraswati Vihar, Amba, Saraswati Enclave, Saraswati Vihar, Mayur,
Venus, Pragatisheel,Joykay, Manav, Overseas young friends, Vidya Vihar, Dharam Kunj, UCO, Adarsh, Welcome, New Young Friend, Naveentam, Saket Kunj, Rama Krishna, Varun, Amardeep, Bhagirathi, Oversas, DSIDC friends, Sathi, Gayatri, Subhaya
The list is not updated (its almost 9-10 months old), so more societies would have been covered by now.
I am filling an RTI to get the updated list and the schedule for pitampura area. I would submit it in 2-3 days, if you have any queries let me know, i'll add them too.