My sister in law lodged 498a case against my elder brother and also she register my and my parents

In July 2018 my sister in law lodged complaint against my brother and she includes in this matter me and my parents. from 2007 i and my parents residing at pune and my elder brother is residing at native place. he got married in May 2014. after that i got married in Nov 2016. so i never meet him or discussed with him about his marriage life. but in Jun 2016 my sister in law were pregnant and she moved for delivery to her home in June 2016. these things only happened between my brother and his wife only. they didn't told us single words about pregnancy and moving her village for delivery. one day my mother called our neighbors for farm discussion that time we came to know that she is pregnant and she finally went for delivery to her native place (her father home). still that moment we assume that every things are going smoothly. in oct 2016 she gave birth to beautiful Son. and after her delivery means after 15 days my parents went to her village to see the nephew. and after that my parents directly came to pune at my home. from June 2016 to June 2018 my sister in law were staying in her parents home due to my brother was not going bring her to our home. suddenly in June 2018 my brother married to another lady and this news we came to know immediately. and same moment his first wife also came to know as he married to someone. she immediately lodged complaint against us. i and my parents not including his second marriage and not interacted in there daily life but still lodged the complaint. now i have taken permanent bell for me and my parents and the case in taluka level. he not staying in village now and he went to bengaluru for work purpose and his second wife is staying in our native place. and in last week she got a court letter for asking summon. she took that letter and she didn't told this things to me or my parents and now she also moved to Begaluru. in this situation what should i do for better my life. i am professionally working as engineer in MNC. i don't want to interact more into this matter. however i have put my case in High court for cancellation our names (me and parents) still high process is going. i need some advise on this matter pls help me out with the best option. i and my parents having all proofs which we are staying in Pune only.