TPG Growth, the middle market and growth investment fund of TPG Group has invested $42 million in Ess Kay Fincorp, a Jaipur-based NBFC. Existing investors Norwest Venture Partners and Evolvence India Fund II Ltd are investing alongside TPG Growth. Ess Kay essentially targets rural and semi-urban customers to help them buy used vehicles including commercial vehicle, car, agricultural equipment, two and three-wheeler and MSME loans for small businesses.