Direction of rotation of three phase induction motor can be reversed by 

 (a) interchanging connections of any two phases (b) disconnecting any one phase (c) (a) and (b) both (d) None of the above 
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It  can  be   done   by  interchanging   connection  of   one    of    the   two   phases.
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The direction of rotation of 3-phase induction motor is reversed by Changing the phase sequence of supply. 


OR 


The direction of rotation of 3-phase induction motor is reversed by inter-changing any two phase connections of motor terminals with supply terminals.

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