Margin Trade Funds

I’m doing BTST trade from past 2 weeks hai yesterday I sell share form my account and I received 80% of my share which I used for another shares purchase,the stock price was within my balance i.e share price was 1125 and my balance was 1200 still my share goes in Margin Trade fund automatically,how???

I’m facing a similar problem can you contact me at krishnanshukatna@gmail.com and guide me.