Phase II Extension
 1. Capacity augmentation of 220/132 kV GSS Bodhgaya, Sipara by addition of 1*160 MVA transformer.
 2. Replacement of 2*100 MVA by 2*160 MVA at 220/132 kV GSS Darbhanga.
 3. Addition of 1*100 MVA transformer at Fatuha and Gopalganj.
 4. Addition of 2*100 MVA transformer at Madhepura.
 5. Addition of 2*100 MVA transformer at Begusarai.
 6. Capacity augmentation of 132/33 kV GSS Khagaul, Bihta, Sitamarhi, Ara, Nawada and Sabour by additional 1*50 MVA power transformer, and Capacity augmentation of 132/33 kV GSS Naugachia, Jainagar, Supaul and Dhaka by additional 1*20 MVA power transformer.
 7. Construction of 220 kV DCSS(Double Circuit Single Strung) transmission line from 400/220 kV Patna(PG) to Gaurichak (Sipara).
Phase III Part 1+

Construction of 132/33 kV 2*50 MVA GSS Sheohar.
 R&M of 20 no. of old GSS namely: Chandauti, Nawada, Rafiganj, Sonennagar, Karamnasa, Ara, Dumraon, Sultanganj, Sabour, Kahalgaon, Saharsha, Katihar, Lakhisarai, Jamui, Hathidah, Sithamarhi, Ramnagar, Pandaul, Chapra and Siwan.
 Capacity augmentation of 132/33 kV GSS Sonenagar, Aurangabad, Buxar, Dehri and Karamnasa by addition of 1*50 MVA transformer and addition of 3*50 MVA transformer at 220/132/33 at kV Pusauli(Nadokhar) GSS.
 Construction of 2*160 + 3*50 MVA GSS at Motipur.
 Construction of 2*160 + 3*50 MVA GSS at Musahari.
 Construction of 2*160 + 2*50 MVA GSS at Samastipur.
 Construction of 2*160 + 2*50 MVA GSS at Laukahi.
 Construction of 2*160 + 2*50 MVA GSS at Sonenagar.
 Construction of 220 kV DCSS Darbhanga(DMTCL)Samastipur transmission line.
 Construction of 220 kV DCDS (Double Circuit Double Strung) Darbhanga(DMTCL)Darbhanga transmission line.
11. LILO of 220 kV D/C KantiBegusarai transmission line at Samastipur(New) GSS.
 Construction of 132kV D/C (Zebra conductor) Samastipur(New) – Samastipur transmission line.
 Construction of 220 kV DCDS Gaya(PG)Sonenagar(New) transmission line.
 Construction of 220 kV DCDS Darbhanga(DMTCL)Laukahi transmission line.
 Construction of 132kV D/C (Zebra conductor) Laukahi – Supaul transmission line.
 LILO of 220 kV D/C Darbhanga(BSPTCL)Kanti transmission line at Motipur GSS.
 Construction of 220 kV DCDS Darbhanga(DMTCL)Motipur transmission line.
 LILO of 132 kV D/C KantiMuzaffarpur transmission line at Motipur GSS.
 LILO of 220 kV D/C Darbhanga(BSPTCL)Kanti transmission line at Musahari GSS.
 Construction of 132kV D/C (Zebra conductor) MusahariSitamadhi transmission line.
 Construction of 132kV D/C (Zebra conductor) MusahariSKMCH transmission line.
 Construction of 132kV D/C Motihari 400/132 kV – Motihari transmission line.
 Construction of 132kV D/C Motihari 400/132 kV – Betiah transmission line.
 Construction of 132kV D/C Motihari 400/132 kV – Raxaul transmission line.
 LILO of 132 kV S/C MadhepuraSonebarsa transmission line at Saharsa GSS.
 Capacity augmentation by addition of 1*50 MVA transformer at Baripahari, Chandauti, Jehanabad and Sheetalpur and replacement of 20 MVA transformer by 50 MVA transformer at Purnea, Baripahari, Jamui, Raxaul, Samastipur, Buxar and Dumraon.
 Construction of 220kV D/C BTPS(Extension)Hajipur transmission line.
 Construction of 132kV D/C DarbhangaGangwara transmission line.
 Construction of 132kV linebays at SKMCH (2 nos.), Sitamarhi(2 nos.), Betiah(2 nos.), Raxaul (2 nos.), Kataiya, Madhepura, Muzaffarpur, Vaishali, Darbhanga(3 nos.), Phulparas, Dhaka(2 nos.), Sitamarhi, Betiah, Raxaul and Gangwara(2 nos.).
 Construction of 220kV linebays at Darbhanga, Hajipur and Gaya(PG).
Phase III Part 2+
 Construction of 220/132/33 kV (2*160 MVA + 2*50 MVA) Kisanganj(New) GSS.
 Construction of 220kV linebays at Madhepura(4 nos.) and Laukahi(2 nos.)
 Construction of 132kV linebays at Kishanganj(2 nos.) and Forbesganj(2 nos.).
 Construction of 2 nos. 220kV D/C Kishanganj(PG)Kishanganj(New) transmission line with AL59 conductor.
 Construction of 220kV D/C Kishanganj (New) Madhepura transmission line with AL59 conductor.
 Construction of 220kV D/C MadhepuraLaukahi transmission line with AL59 conductor.
 Construction of 132kV D/C Kishanganj(New) Kishanganj transmission line.
 Construction of 132kV D/C Kishanganj(New) Forbesganj transmission line.
Phase III Part (N1) compliance+
 Construction of 132/33 kV transformer bays at Madhubani, Dalsinghsarai and Ramnagar, Muzaffarpur, Rajgir, Ekangarsarai, Sheikhpura, Sasaram, Bikramganj, Banjari, Masaurhi, Katra, Gaighat, Digha, Kataiya and Sherghati.
 Construction of 220/132 kV transformer bays at Hajipur and Khagaul.
 Construction of 132 kV linebays at Udakishanganj(2 nos.) and Kusheshwarsthan(4 nos.), Sonebarsa(4 nos.) Ramnagar (2nos.), Dalsinghsarai(2 nos.), Betiah, Dhanaha, Sherghati, Imamganj, Sonenagar(New)(2 nos.), Aurangabad(2 nos.), Ara(2 nos.), Jagdishpur(5 nos.), Karpi(2 nos.) and Goh(2 nos.).
 Construction of 132 kV D/C UdakishanganjSonebarsa transmission line.
 Construction of 132 kV D/C KusheshwarsthanSonebarsa transmission line.
 Construction of 132 kV D/C DalsinghsaraiKusheshwarsthan transmission line.
 Construction of 132 kV D/C Sonenagar(New)Aurangabad transmission line.
 Construction of 132 kV D/C AraJagdishpur transmission line.
 Construction of 132 kV D/C Ara(PG)Jagdishpur transmission line.
 Construction of 132 kV D/C JagdishpurDumraon transmission line.
 Construction of 132 kV D/C KarpiGoh transmission line.
 2nd circuit stringing of 132 kV SherghatiImamganj DCSS transmission line.
 LILO of one circuit of 132 kV DCSS BetiahDhanaha transmission line at Ramnagar.
PSDF Scheme+
 Renovation and upgradation of protection and control system of 220/132 kV GSS (Khagaul, Fatuha, Biharsharif, Bodhgaya, Dehri and 132 kV GSS Kataiya).
 Installation of capacitor bank for improvement of voltage profile in BSPTCL GSS.
 Renovation and upgradation of protection and control system of 12 nos. 132/33 kV GSS at Sheikhpura, Banjari, Mithapur, Jehanabad, Hajipur, Muzaffarpur, Darbhanga, Motihari, Betiah, Kisahnganj, Purnea and Jamalpur.