All electronic evidences are valid and can be produced in the court as per new amendment of Indian Evidence Act 1872. Please see the following link for new amendment.
https://www.cyberlawclinic.org/iea.htm
Please read each of my posts carefully in the following links for sample petitions and other necessary clues.
https://www.lawyersclubindia.com/forum/Fight-against-misuse-of-498a-ipc--103100.asp#.U6gslUCm9dg
https://www.lawyersclubindia.com/forum/Best-way-to-fight-against-false-498a-103111.asp#.U6gsRkCm9dg
https://www.lawyersclubindia.com/forum/details.asp?mod_id=104564&offset=1