GW will not give up her plans, supporting Charu even when Lavanya's life is at danger...Nitish is shown as a very unstable character and he is more like a puppet to charu....he is always shown as the one who oblidges Charu any time.......he is a very caring brother to Charu.....So Charu wd convice GW about Lavanya's life and make her move along with her plans....
Only way GW should get her punishments thru Charu, if at all she changes to Thulz side if she knows Thulz is Bhu's daughter(I dont mean GW will really change her attitude, she wd switch sides only bcos of the money power then too)....or if she comes to know Charu is an adopted child.....but second option is little unlikely....
bcos even when TA identifies her intentions she would be happy as long as Charu is with her......
About Lavanya.....she wont go against anyone or support anyone unless and until her wishes and dreams are fulfilled.....So her behaviour was normal to Thulasi.........She will neither support Charu nor Thulasi, but make sure her life is safe.....if her life is at risk she would support who would help her dreams come true.....that is how her character is portrayed....in simple words....like Theiva said.....a pure selfish indeed.....