broker stop trading

On 21st Dec, With capital of 38,000, I placed 13800 Buy PE @ 120 for a brief movement It went up and I initiated an exit @ market from Fyers web system but it kept giving me message unable to exit and within few minutes brokers web trading platform was completely frozen and down. Tried calling...

I'm new in this field is it safe to trade through compositedge.com or smart trade online as they are not so reputed like infoline, direct.com or indiabulls. Is my investment safe with them and what will happen if they stop trading or become bankrupt how can I sell my stocks then...:mad: