1. No it is not possible to file a eviction case directly in chennai high court, without filing in competent court having original jurisdiction.
2. If tenabt is not paying rent then issue notice by registered A.D. post for demanding arriers of rent, mentioning your bank account number in the same municiple area in which property is situated, if he does not pay or tender rent within 30 days of receipt of notice then you can file suit on the ground of default in competent court of law.
3. I assume that relation between landlord and tenant exists.
4. age of house is is not material its condition is important whether it is unsafe or unfit for human habitation if yes then it can be ground for eviction.
5. The land lord wans to demolish & build new then it can be ground for eviction depending upon state rent act.
6. if land lord required house for his own use then bonafied need is also a good ground for eviction.
7. This advice is based upon Rajasthan rent control act 2001