I am anubhav 26 yr old & working in reputed company as engineer. I love a girl hertily & she also love me. My parents are ready to marry with her for me. But her parents are not ready because she is my elder sister's sister in law (nanad). I love her too much & can't live without her. Her parents are old traditional family so they are not ready.
so i request to all of you please advice to me how to convince her parent.
Thanks & Regards,