Students perform during the Republic Day rehearsals at Marina beach in Chennai on Friday. | R.Satish Babu/Express

Students perform during the Republic Day rehearsals at Marina beach in Chennai on Friday. | R.Satish Babu/Express

Cops rehearse for the Republic Day parade at Marina beach in Chennai on Friday. | R.Satish Babu/Express

Students perform during the Republic Day rehearsals at Marina beach in Chennai on Friday. | R.Satish Babu/Express

Students rehearse for the Republic Day parade at Marina beach in Chennai on Friday. | R.Satish Babu/Express

Republic Day rehearsals at Marina beach in Chennai on Friday. | R.Satish Babu/Express

Students perform during the Republic Day rehearsals at Marina beach in Chennai on Friday. | R.Satish Babu/Express