As tension simmered over the Mullaperiyar dam issue, security was stepped up on the borders here when hundreds of villagers from Tamil Nadu marched towards Kerala protesting alleged attacks on Tamils.

As tension simmered over the Mullaperiyar dam issue, security was stepped up on the borders here when hundreds of villagers from Tamil Nadu marched towards Kerala protesting alleged attacks on Tamils.

As tension simmered over the Mullaperiyar dam issue, security was stepped up on the borders here when hundreds of villagers from Tamil Nadu marched towards Kerala protesting alleged attacks on Tamils.

As tension simmered over the Mullaperiyar dam issue, security was stepped up on the borders here when hundreds of villagers from Tamil Nadu marched towards Kerala protesting alleged attacks on Tamils.

As tension simmered over the Mullaperiyar dam issue, security was stepped up on the borders here when hundreds of villagers from Tamil Nadu marched towards Kerala protesting alleged attacks on Tamils.