Surat Lignite Power Plant - 4X125 MW, Unit # 1 to 4: 1) Supply and Execution of Replacement of internals of twelve ESP fields of Unit-1 to 4. 2) Supply and Execution of 4 Dummy ESP Field Revival of Unit-1 & 2. 3) Overhauling /servicing of all remaining ESP Fields of Unit 1 to 4 along with 4) Incorporation of 8 Nos. 3-phase (TR) ESP transformer up gradation of one field in each pass for Unit 1 to 4 & 5) Retrofitting / up gradation of ESP controller & panel of 36 Field for Phase-1 & 2 (16+20) during annual overhauling/single pass outage of Year-2022-24.