To find the 'Best' Automatic Power Factor Correction (APFC) panel repair service, consider providers with strong customer reviews and a reputation for expertise. Look for companies that specialize in electrical panel repair and offer comprehensive services, including diagnosing faults, replacing components like capacitors and controllers, and performing thorough inspections. Services that provide quick on-site support, have a good track record, and use genuine spare parts are generally considered top-tier. In the Delhi-NCR region, companies like Controls Instruments India and YS Engineering Solution are often mentioned for their quality repair and maintenance services.