Neeleswarar lingam

 In rameswaram temple several lingams which are old can be seen and one such lingam is in third pragaram around siva temple which is worshipped by nalan and neelan who are part of ramayana. This lingam is worshipped only during sivarathiri only by a siva disciple. This lingam is called neeleswarar lingam. This is the one old lingam installed before lingam installed by sita devi.