There are two types of audit under SMETA- 2 pillar audit and 4 pillar audit. The two pillars mandatory for any SMETA audit are Labor Standards and Health & Safety. The two additional pillars of a 4-pillar audit were introduced to further deepen the social responsibility aspect of SMETA audits. A SMETA 2-pillar audit comprises the following modules: Labor Standards Health and Safety Additional Elements: Management Systems Entitlement to Work Subcontracting and Home working Environmental assessment (shortened) A SMETA 4-pillar audit covers the above elements, plus: Environmental assessment (extended) Business Ethics Sedex registration in Agra. Sedex consultant in Agra. Sedex certification in Agra. Sedex Eti coc audit in Agra. Sedex social compliance audit in Agra.