PowerPoint deck designers - Investment Banking design experience

We are looking for a creative pair of hands to design Powerpoint slides. You should be able to suggest alternative design structure for each slide based on the content. Should have worked on 100+ PPT files atleast. This project is not suitable for new designers that are building their skills on client projects. Professional design, someone with investment banking and management consulting design background. Current project has 25-35 slides. Need to start in a day, urgent deliverable in the next few days. May lead to ongoing PPT design/redesign tasks. Please bid with verifiable references/samples, also share the cost in INR per slide.