Airtel — Complaint against unfair mobile prepaide balance dedution

sir, i've visited a site laila (Euedra advertisement) and i clicked once on it which resulted a 35 rupees mobile balance deduction from my airtel prepaid account on behalf of its activation. how does any site relate mobile balance deduction directly without subscriber's confirmation. it is totally unfair deduction. how airtel prepaid services link with http://220.226.188.58/laila/alt porn websites laila which deducted prepaid account balance. i'll be seeking towards my deducted balance