1. Extract of Record Notes of Discussion of ULDC O&M Meeting After detail discussion it was agreed to have path diversified communication channel of enough band width in the following cases. Between SRLDC and all SLDCs. Between SRLDC and all CGS Between SRLDC and Important 400kV switchyards of ISTS. Between SRLDC and all HVDC stations. Between SLDC and all Sub-LDCs. Between Sub LDC and Important identified state Generating stations and substations of the constituents.

2. Data Communication(Existing) TVM VIDYUTHI BHAVANAM KYM GIS MDU 400 MDU 230 CHN CDP RSCC S’HALLI VJW WARANGAL HYD K’MA SERY G’PUR DURDSED S’NAGAR K’NNUR TRICHUR ERODE RMG 220 RMG 400 400 220 SPDR 230 N’SAGAR 400 220 TLPLY SSLM PH SSLM LB KRL SJLY 220 GTY 400 VDY SOUD CH GUTA APUR MDNR 400 220 GZW VZSW KKNDA BOM’R BIMDL VTPS MBD RTS MB’BNIR KLR TRY 230 KKDI 230 P’KTAI 230 AK’TAI 230 K’VNI 230 T’VRUR 230 MYD 230 PDY SCC V’NUR NLY TS1 SPK 230 KLPKM N.EXP TS2 TVM(N) K’DRA KYM P’LOM C’KDY A’KODE 400 UDP 400 230 INGUR CHNP’LI230 NLR ALM’Y 400 SLM 230 400 HSR LEGEND TRY 400 MYS NLMG KAPS NDR HRY GEN STN 400KV RTU LOC SLDC Sub-LDC RTU LOC(220/230KV) FO LINK(CS) MW (CS) PLCC TN FO TN MW MW KSEB FO KSEB AP MW AP FO MW PONDY 230 Cu Cable 1200BSNL KHMM 400 64kbsBSNL

3. Data Communication with the proposal made in meeting of 16 th September 2006(As per minutes of meeting 16.9.2006) 220 KKNDA T’VRUR 230 PDY SCC KLPKM TVM(N) K’DRA KYM P’LOM 400 KAPS MW (CS) PLCC TN FO TN MW MW KSEB FO KSEB AP MW AP FO MW PONDY Cu Cable 1200BSNL TVM VIDYUTHI BHAVANAM KYM GIS MDU 400 MDU 230 CHN CDP RSCC S’HALLI VJW WARANGAL HYD (MMDPLY) K’MA SERY G’PUR DURDSED S’NAGAR K’NNUR TRICHUR ERODE RMG 220 RMG 400 400 220 SPDR 230 N’SAGAR 400 220 TLPLY SSLM PH SSLM LB KRL SJLY 220 GTY 400 VDY SOUD CH GUTA APUR MDNR 400 GZW VZSW BOM’R BIMDL VTPS MBD RTS MB’BNIR KLR TRY 230 KKDI 230 P’KTAI 230 AK’TAI 230 K’VNI 230 MYD 230 V’NUR NLY TS1 SPK 230 N.EXP TS2 C’KDY A’KODE UDP 400 230 INGUR CHNP’LI230 NLR ALM’Y 400 SLM 230 400 HSR LEGEND TRY 400 MYS NLMG NDR HRY GEN STN 400KV RTU LOC SLDC Sub-LDC RTU LOC(220/230KV) FO LINK(CS) 230 KHMM 400 TRCR220 (MADKRA) Talcher HVDC CHANNELS FINALISED DURING MEETING OF SR-II WITH SR CONSTITUENTS.

4. Additional data Communication channels proposed by SRLDC to meet the requirement as decided in the ULDC O&M meeting 220 KKNDA T’VRUR 230 PDY SCC KLPKM TVM(N) K’DRA KYM P’LOM 400 KAPS MW (CS) PLCC TN FO TN MW MW KSEB FO KSEB AP MW AP FO MW PONDY Cu Cable 1200BSNL TVM VIDYUTHI BHAVANAM KYM GIS MDU 400 MDU 230 CHN CDP RSCC S’HALLI VJW WARANGAL HYD (MMDPLY) K’MA SERY G’PUR DURDSED S’NAGAR K’NNUR TRICHUR ERODE RMG 220 RMG 400 400 220 SPDR 230 N’SAGAR 400 220 TLPLY SSLM PH SSLM LB KRL SJLY 220 GTY 400 VDY SOUD CH GUTA APUR MDNR 400 GZW VZSW BOM’R BIMDL VTPS MBD RTS MB’BNIR KLR TRY 230 KKDI 230 P’KTAI 230 AK’TAI 230 K’VNI 230 MYD 230 V’NUR NLY TS1 SPK 230 N.EXP TS2 C’KDY A’KODE UDP 400 230 INGUR CHNP’LI230 NLR ALM’Y 400 SLM 230 400 HSR LEGEND TRY 400 MYS NLMG NDR HRY GEN STN 400KV RTU LOC SLDC Sub-LDC RTU LOC(220/230KV) FO LINK(CS) 230 KHMM 400 TRCR220 (MADKRA) Talcher HVDC CHANNELS FINALISED DURING MEETING OF SR-II WITH SR CONSTITUENTS. CHANNELS PROPOSED BY SRLDC BSNL 64Kbps