i think so for the reasons below
1. As they said in sbs that she has a problem with the ring (that she needed something more expensive and a big one) from this tanveer can understant that she is greedy...and after marrige half of the property will be hers and she will be not returning it back at any cost...
2. Tanveer just needed a puppet who would dance to her tunes...and according to her their is no one else like sanam who beleives her out of all in that house...its sure that sanam will be returning everything to her...
The only question i have here is that will sanam agree for a marriage with conditions and how does mariage happen without the knowledge of dilshad becoz once she comes to about tanveer she will never let that happen...
so i think that for now tanveer might be agreeying with ahil for their marriage and later may be she will kidnap nida on the marriage day like she did with asad...and obiously the marriage will be taking place either on ahils birtday or the before day...and its not possible to find any girl in just two days...so tanveer might blackmail sanam with emotional drama saying that the whole property will be lost and also abt the help ahil offered to dilshad...and aur bechari sanam beign bholi bhali will have to accept it for the whole khandan...if this happens like this then she will not be able to inform dilshad...and the reason will be justified...
there is only one point left out that whether tanveer come to know abt sanams parents...
seriously...destiny plays crucial games...the person who was reasonable for breakage of asya's marrige will be the sole reason for sahil's marrige and without knowing tanveer is digging her own pit...
For the first time everyone will be with tanveer and her crooked plans...wishing that her plans never fail this time...we know that by our experiance that tanveer's plans never fils...All the very best tanveer..we are with you...