Can Taking The Following Tablets Be Safe For CAD?

Hello Dr, My mother is suffering from CAD(TVD), EF is 45%, she has multiple gall stones, Chronis diabetes and hyper tension, she is on:Novomix 30 14units morning and 12 units night,Tripride 1 BD,Clopitab A75 OD,Betaloc 50 BD,Nicoran 10 BD,Nitrocontin 6.4 BD,Rancad 500 BD,Envas 5 OD,Daxid 50 OD,Rivotril .5 BD,Razo D OD,Dr suggested they can t treat gall stones without doing CABGand my mother is not ready for CABG. she develops pain in abdomen within one hour of taking her meals. kindly suggest your opinion.Thanks