After a second resend of details, I got reply below (I am AC Elite 50K now) which upsets me.....
Welcome Miles&Smiles Turkish Airlines' advantageous Frequent Flyer Programme. Elite card trial period will be valid for 4 months. As of start date of elite membership within 4 months trial period one international Turkish Airlines flight should be realised for extending your card validity date to 1 year, if 15.000 status miles accumulate at the end of the first year elite membership will extend 1 year more and the total validity date will be 2 years.