Clarification needs on my land

I live in Chennai and My land is at Pozhichalur. In 1990, I bought this land from the landowner. The seller's house is nearby me and it is almost 30 years before. now the problem is a pond (kuttai) at the backside of my land. And it was also mentioned in our document too. Currently, our waste and bath waters are dropping in the pond which means we treated that pond like a dustbin now the neighbor is fighting for this pond. And the pond is the dead end so there is no way to reach it. Kindly provide Clarification needs on my land. Ask your legal doubt of Clarification needs on my land | Get the best advice and Consultation. Top Lawyers in Chennai, best Law firms in IndiaNow the owner is fighting with me for this pond. Now, I want to know who has the rights to this pond. Because we have filled the land with waste things and almost we using 30years...Popular Questions:http://103.133.215.241/lawyerchennai/legal-consultation/property-nominee-before-marriage-is-valid-or-not/http://103.133.215.241/lawyerchennai/legal-consultation/need-writ-petition-no-8498-details/http://103.133.215.241/lawyerchennai/legal-consultation/husband-property-issues/