[ridhisidhi12]

U got 43 forbidden error.Then try URL ENCODING to bypass 403 error. like
/*!00000%55nion*/ ------> %55 is for U

[c.h.r.o.n.i.c.a.l]

It's obviously a WAF (Web Application Firewall)

Encode your URL and include random shit that won't mess up the query, like ridhisidhi12 suggested.