Are there in total 8 regulative principles for devotees? | Brajsundar das

There are four pillars upon which human society rests. These pillars are: mercy, truthfulness, austerity and cleanliness. Everyone appreciates these qualities. By following the four regulative principles, we support these pillars and free ourselves from miseries and from causing pain to others. Along with chanting Hare Krishna, following these principles form the basis of Krishna conscious practice