List of Approved Vendors in PTCUL on dated 03.10.2018.

Sr. Name of Items Name of VendorsNo.1. Circuit Breakersa) 33/132/220/400 KV (1) ABB (2) Alstom (3) Siemens (4) CGL

2. Isolatorsa) 33/132/220/400 KV (1) PR Engineering (upto 220 KV) (2) Switchgear & Structures (upto 420 KV)

(3) Elektrolites Power (upto 220 KV) (4) G. Nandy (upto 220 KV)

3. Current Transformersa) 132/220/400 KV level (1) Vishal Transformer (upto 132 KV) (2) Heptacare Power (upto 220 KV)

(3) Kapco Electric (upto 132 KV) (4) ABB (5) Alstom (6) Siemens (7) CGL(8) Mehru Electrical (upto 220 KV) (9) SCT Ltd. (upto 220 KV)

4. Potential Transformersa) 132/220 KV level (1) Heptacare Power (upto 220 KV) (2) Kapco Electric (upto 132 KV)

(3) Vishal Transformer (upto 132 KV) (4) ABB (5) Alsotm (6) Siemens (7) CGL(8) Mehru Electrical (upto 220 KV) (9) SCT Ltd. (upto 220 KV) -

5. Power Transformers (1) ABB (2) Alstom (3) Siemens (4) CGL6. Lightning Arrestorsa) 33/132/220/400 (I) Oblum Electricals (upto 390 KV) (2) Elektrolites Power (upto 220 KV)

(3) ABB (4) Alstom (5) Siemens (6) CGL

7. CVT (1) ABB (2) Alstom (3) Siemens (4) CGL

8. Battery Charger (1) Statcon Power (2) HBL Power (upto 220 KV)

9. Batteries (1) Union Batteries (lead acid) (2) Exide (3) HBL Power for VRLA (upto 220 KV)

]0. Relay (Numeric)a) 33/132/220/400 KV (I) ABB (upto 400 KV Projects) (2) Alstom (3) Siemens

(4) JVS Electronic (Auxiliary Relay & Panel Accessories upto 220 KV)

11. Insulatorsa) Disc Type Insulator (1) Aditya Birla (upto 400 KV, 160 KN)

(2) BHEL (upto 800 KV)(3) Allied Ceramics (upto 400 KV, 160KN)(4) General Power (upto 400 KV, 160 KN)(5) Bikaner Ceramics (upto 220 KV, 120KN)(6) India Potteries (upto 400 KV, 160 KN)

b) Solid Corel (1) Aditya Birla (upto 400 KV) (2) Insulators & Electricals (upto 400 KV)Bus Post Insulator

c) Polymer Insulator (1) Yamuna Power (upto 220 KV)

12. Horn Gap Fuses (1) Elektrolites Power (upto 33 KV)&DO Fuses

13. Control & Power (1) Scot Innovation (2) Brimson Cables (3) Alcon Wire (4) Rallison Electricals

Cables (5) Dynamic Cables (upto 220 KY) (6) Gourav EnerGen India (upto 132 KY)

r(7) Universal Cables (upto 220 KY) (8) Laser Cables (upto 400 KY)(9) Diamond Power (upto 400 KY) (10) Gemscab Industries (upto 132 KY)(11) Vikas Cable (only for Control Cable) (12) Special Cables (upto 220 KY)(13) Torrent Cables (14) Prime Cable (upto 132 KY)(15) Durga Industries (only LT Power Cables upto 132 KY Projects)(16) Hindustan Urban (upto 132 KY)(17) Grid India (for LT Cable)(18) Suyog Electricals (upto 220 KY)

14. Lattice StructuresOnly Substation

a) upto 132 KY (1) Tecpro System (2) ART Infra (3) Protech Galvanizer (4) RG Structures(5) H.S. Engineering

b) upto 220 KY (1) Shiam & Sons (2) M.J. Structure (3) Yinayak Transco (4) Synergy Telecom(5) Trading Engineers (6) ASPG Infrastructures (7) Kaytx Industries(8) N.L. Engineers (9) Shanzpowertech Structure (10) Good Luck Steel

c) upto 400 KY (1) Advance Steel (2) Utkarsh Tubes (3) Ravindra Tubes (4) Pioneer Trans Energy(5) Salasar Techno (6) Pragati Electrocom (7) Trident (8) YSP Enterprises(9) Unistar Galvanizer (10) Yishal Pipe (11) Supreme & Co. (12) Balarka Fabricon(13) Telecom Network (14) A.K. Power (15) Ratan Projects (16) Nexo Industries -(17) Aravali Infrapower

15. Transmission LineStructure

a) upto 132 KY (1) Tecpro System (2) YSP Enterprises (3) Balarka Fabricon(4) ART Infra (5) Shiam & Sons (6) RG Structures (7) Protech Galvanizer

b) upto 220 KY (1) Ravindra Tubes (2) Good Luck Steel (3) Pioneer Trans Energy(4) M.J. Structure (5) Synergy Telecom (6) Trading Engineers (7) Trident Structure(8) ASPG Infrastructures (9) Telecom Network (10) Kaytx Industries(11) .L. Engineers (12) Shanzpowertech (13) Aravali Infrapower

c) upto 400 KY (1) Advance Steel (2) Pragati Electrocom (3) Utkarsh Tubes (4) Unistar Galvanizer(5) Supreme & Co. (6) A.K. Power (7) Salasar Techno (8) Ratan Projects(9) Nexo Industries

16. Earthing Material (1) H .S. Engineering (2) Shiam & Sons (upto 220 KY) (3) Good Luck Steel(4) Yishal Pipe (upto 400 KY) (5) Balarka Fabricon (400 KY)(6) Telecom Network (upto 400 KY) (7) Utkarsh Tubes (upto 400 KY)(8) Supreme & Co. (upto 400 KY) (9) Nexo Industries (Pipe type earthing)

17. Earth Wire (1) Himachal Wire (upto 132 KY) (2) UIC Udyog

18. Hardware for Earth (1) Aisha Transmission (2) Supreme & Co. (upto 400 KY)Wire & Conductors (3) Modern Malleables (upto 400 KY) (4) Rashtraudhyog Ltd. (upto 400 KY)

(5) Electromech & Transtech (upto 132 KY) (6) KSE Electricals (upto 220 KY)(7) S.R Electrical (upto 132 KY) (8) A.K. Power (upto 400 KY)(9) Aumni Transmission (upto 400 KY) -

• (10) lAC Electricals (for Transmission Line upto 400 KY)(11) Sicame India (for HTLS upto 220 KY)

19. Galvanized Nuts, Bolts (1) Arhant Industries (2) AY Forgings (3) Nishant Steel (upto 220 KY)& Washers (4) A.R. Fastners (TfL upto 220 KY & S/s upto 400 KY) (5) Roshan lrnpex (upto 220 KY)

(6) Balarka Fabricon (for Foundation Bolt, upto 400 KY )(7) Yishal Pipe (Foundation Bolts, upto 400 KY) (8) Protech Galvanizer(9) Supreme & Co. (upto 400 KY) (10) Shiarh & Sons (for Foundation Bolts upto 220 KY)

2/4

20. Conductors (1) ERJ - TECH (upto 400 KV) (2) Venkateswara Wires (3) Aravali Infrapower(4) Vikas Cables (5) Super Tech (6) Shashi Cables (Panther, Zebra, Moose)(7) Oswal Cables (8) Apar Industries (9) Dynamic Cables (upto 220 KV)(10) Lumino (upto 400 KV) (11) East India (upto 132 KV)(12) Diamond Power (upto 400 KV) (13) Hindustan Urban (upto 220 KV)(14) Mahavir Transmission (upto 400 KV voltage level)(15) Apar Industries (for HTLS Conductor upto 132 KV)

21. PLCC/PABX/SCADA (1) Alstom (2) ASS (3) Siemens (4) Puncom

22. EPC Contractor (1) Tata Projects (upto 400 KVA AIS, GIS 245 KV & T/L upto 400 KV)(2) Raychem RPG (3) Siddhartha Engineering (132 KV S/s) (4) Dev Denso (132 KV ~/s)(5) Atlanta Electricals (132 KV S/s) (6) Kumar Praphakar (Petty Contr. T/L upto 400 KV)(7) Ranjit Singh & Company (T/L upto 400 KV) (8) L&T (upto 400 KV AIS, GIS S/s & T/L)(9) Lambda Eastern (10) Sterling & Wilson (S/s & T/L upto 132 KV)(11) Supreme & Co. (upto 400 KV)(12) Uttar Pradesh Rajkiya Nirman Nigam (upto 220 KV S/s)(13) Caravan Power (T/L upto 132 KV) (14) Safety Controls (upto 220 KV S/s)(15) Genus Power Infrastructures Ltd. (upto 220 KV S/s & T/L)

23. TMT Steel Bar/Steel (1) Shree Bankey Bihari Ispat (2) Vimal Industries (3) SRMS Srijan Ltd. (4) Bhambri SteelStructure (5) Upper India Steel (Structure Steel upto 400 KV Projects) (6) Madhav Alloys -

(7) Regal Steel (8) Karam Steel (9) Kashi Vishwanath Steel (10) Shyam Sel & Power(11) Tehri Iron

24. LT Panel (1) Unilec Engineering (2) Shivanjali Electricals (upto 400 KV)(ACDB/DCDB/ (3) GouravEnerGen (upto 132 KV) (4) Nitya Electro (upto 220 KV) (5) CGL (6) ABBMT Panel/ HT Panel)

25. Transformer Explosion (1) Sergi India (2) Mehta & Associates (upto 400 KV)& Fire PreventionSystem

26. NIFPES (1) CTR Manufacturing

27. AC Kiosks (1) Technico Enterprises (upto 400 KV) (2) ICOMM Tele Ltd. (upto 400 KV)

28. DG Set (1) Jakson (upto 250 KVA)

29. Control & Rela.y Panel (1) ABB (2) Alstom (3) Siemens (4) Venson Electric (upto 400 KV)30. Capacitor Banks (1) Universal Cable (upto 132 KV)

31. Testing & Measuring (1) Applied Techno (2) PCI Ltd. (3) Scope T&M (4) Taurus PowertronicsEquipments .

32. Third Party Testing & (1) Idma Laboratories (for Civil & Mechanical)Measuring Equipments (2) National Testing Laboratory (for Civil items)

(3) Delhi Test House (for Civil, Cables & Conductor)33. OLTC (1) Easun MR Tap Changers (upto 400 KV)

(2) Pradeep Sales (for Supply of Control Tap Changer & Transformer Monitoring System)(3) CTR Manufacturing (upto 400 KV)

34. Station Transformer (1) Sudhir Intra (630 KVA) (2) ABS (3) Alstom (4) Siemens (5) CGL.

35. Clamp & Connector (1) Tyco Electronics (upto 400 KV) (2) Exalt Engineering (upto 400 KV)(3) Supreme & Co. (upto 400 KV) (4) Rashtraudhyog Ltd.(upto 400 KV)(5) Electromech & Transtech (upto 132 KV) (6) S.R Electrical (upto 132 KV)(7) Aumni Transmission (upto 400 KV)(8) lAC Electricals (for Transmission Line upto 400 KV)

36. C - Type Wedge (1) Sun Electric (upto 400 KV) (2) Supreme & Co. (upto 400 KV)Connector

37. Sub-station Automation (1) ABB (2) Alstom (3) SiemensSystem (SAS)

38. OPGW (1) Supreme & Co.(2) Opterna Technologies (Metallic Joint Closure & Fiber Optic Distribution Panel)

39. GPS Based Time (1) CSD Instruments (2) Sertel Electronics (3) Signals & System (India)Synchronization Eqip.

40. Online DC Earth fault (1) CSD InstrumentsLocator

41. EOT Crane (1) Reva

42. Outdoor & Indoor (1) HPLLuminaries

43. HF Coaxial Cable (1) Techno Cables (upto 125 Ohms)44. Mono Pole (1) Bajaj Electricals (upto 400 KY) (2) Yalmont Structures (upto 400 KY)

Note.-

Any vendor already approved by PTCUL and not appearing in this list can be informed to QA/QC Wing with relevantdocuments/evidence as a proof of PTCUL approval. On review of these documents and if, necessary afteraudit/reassessment, their name may be considered for inclusion in this list. Further, any shifting of vendor premisesshall be intimated to PTCUL.

4/4