It all began when the Goods & Services Tax (GST) authorities informed the Insurance Regulatory and Development Authority of India (IRDAI) last year about alleged malpractices by more than a dozen insurance companies in the allocation of commission to their agents. The I-T department and the DGGI started probing these companies, the DGGI for allegedly fake input tax credit claims while the I-T department for alleged tax evasion through violation of the IRDA norms on commission payments.