Approval as eligible organization for research-related project reports and surveys enables Engineers India Limited to qualify under tax rules. Approval is granted to Engineers India Limited, New Delhi, as an eligible organization under clause (a) of sub-section (2) of Section 35D of the Income-tax Act, 1961, recognizing it as qualified to undertake preparation of feasibility reports, preparation of project reports, conducting market or other surveys, and providing engineering services as the qualifying activities for the specified period.