Customs tariff amendments extend exemptions and revise duty rates and eligible lists for specified medical, rehabilitation and power imports. Amendment revises the Table and Annexure of the principal customs exemption notification, substituting, omitting and inserting multiple tariff entries and lists to alter concessional duty rates and the catalogue of eligible goods. It adds new tariff items and S.Nos., adjusts duty percentages for numerous entries (including rates set at 5%, 10%, 15% and 20% or Nil), expands medical, rehabilitation and telecommunications lists, and inserts conditions requiring certification for interception-related goods and investment undertakings tied to exemption eligibility.