1. On what ground(s) has he sought the cancellation of the sale deed executed in your favour?
2. The sale deed can be cancelled even after 7 years if the legal parameters are satisfied. It is not clear from your query what is the ground for cancellation of sale deed. The suit papers are required to be perused threadbare to advise.
3. Since the court fee is not uniform throughout India only a local lawyer can tell you what it is.
4. The civil courts in India take time to decide the cases.
5. Consult a local lawyer with the suit papers.