the real person behind the kidneping

my doubt is on Amaji she wants to remove ganga and pratigya from the house for that she has to remove the power from sajan singh to do that she took help of her brother and make this all plan that's while she was not wanted to complain in police.
now shakti's plan was new one ans she didn't new about this and shakti already told that kidnapper he will not give money to him he can kill his father he is not bother now if the kidnapper was real he could have rang to Krishna and told him he didn't got money so bring money but no one turn up and all of sudden this brother came up so my doubt turn in to reality he is the one behind this scandal.