Non resident and expat taxation, Interpretation of DTAA, Opinions and certification of outward remittances, Transfer pricing study report ,conduct of cost audits interpretation of costing standards and cost system study implementation. giving indirect tax opinions specifically on Service Tax.
Since I have worked in industry this knowledge and can give more insight into various practices from industry perspective by quoting specific case studies which would help candidates to get a hold on the subject.

Currently also teaching following subjects for CMA Final student Private coaching ( Cost Audit and Management Audit, Cost and management accounting and Direct tax)