Service tax liability

Yes service tax is applicable 

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exemption is available only to 

(i) any body established or constituted by or under any law for the time being in force; or

(ii) any person or body of persons engaged in the activities of trade unions, promotion of agriculture, horticulture or animal husbandry; or

(iii) any person or body of persons engaged in any activity having objectives which are in the nature of public service and are of a charitable, religious or political nature; or

(iv) any person or body of persons associated with press or media;

(Section 65(25a) of the Finance Act, 1994)