Most Doppler ultrasound examinations in 12 hours

The Most Doppler ultrasound examinations in 12 hours was 525 and was organised by Rev Saint Gurmeet Ram Rahim Singh Ji Insan (India) at Dera Sacha Sauda, Sirsa, India, on 24 January 2012

The attempts were carried out at Dera Sacha Sauda, a religious community dedicated to humanitarian endeavours.