Maharashtra State Electricity Board once held the record for being the second largest electricity generating utility in India after the National Thermal Power Corporation. MSEB is responsible for generation, regulation and distribution of electricity in the state. MSEB has the following companies registered with it:MSEB Holding Company LimitedMahanirmitiMahapareshan or MahatranscoMahavitaran or Mahadiscom The list of MSEB complaint centre helpline numbers in Mumbai is as given below:Ambivali, Versova, Jogeshwari (East)26361313 and 28221692Andheri (East and West), Jogeshwari (West)26249603, 28300711Bandra (West) and Khar (West)26423494, 26424482Chembur, Mankhurd, Turbhe Electricty25563385Chunabhatti, Nehru Nagar, Kurla (East) Electricity25221248, 25242580Dahisar (West)28981392Dahisar (East), Mira Road and Bhayandar28957038Goregaon (East and West) Electricity28721312, 28722743Kalina, Santacruz (East and West)26182899Kandivali (West) and Charkop, Malwani are Electricity28072227, 28683242Kurla (West) and Vidyavihar25143759, 25141175Madh and Kandivli (East)28861675Malad (East and West)28402411, 28080961Marol, MIDC, SEEPZ and Saki Vihar Road28329781Vikroli (East) and Kannamwar Nagar location25786947Vikroli (West), Ghatkopar (East and West)25152558, 25150770, 26208904Bandra26422211, 26422131Ballard Estate (South Mumbai)22610061, 22610062Bhandup (West and East)25610614, 25600574Churchgate22820220, 22820315Dadar24137562Dhakali Section Office25331256Fort Market22692544Fountain22619100, 22674047, 22674147Kisan Nagar Section Office25820453Mulund (West and East)25686666, 25644935Owale Section Office25349115Patil Pure Thane25341988Thane (East and West)25333411, 25367548