482s are very tough to achieve favorable results from. The High Court is not going to see your evidence at all, at this stage. What the Courts see is, whether the allegations are so improbable that no reasonable man could believe them, then the criminal proceedings may be quashed. For instance, allegations against distant relatives who do not live or ever lived at the matrimonial homes may have the proceedings quashed qua them. The Court 'might' look into some evidence from your side if such evidence is not disputed by the complainant or if it is of such stellar quality that it is unimpeachable. I remember having read a judgment of the Rajasthan High Court where the Court looked at the fact that the husband owned several cars by examining the Registration Certificates of the cars and concluded that it was highly improbable that the in laws would demand a car from the bride's side.
Then, the allegations against each accused have to be specific; mere reproduction of words of Section 498A is not sufficient to constitute an offence; the allegations need not be a precise and comprehensive narration of the event but it should not be vague and general. You can search for these judgments on Indiankanoon.org. Drop a like if you find my commemt helpful and feel free to get in touch if you need further assistance.