This Research paper will explore the side effects of 18th Constitutional Amendment, 18th constitutional amendment is regarded as “Magna carta’ of Pakistan but in reality, it is just as a needed amendment made by a political party to cater and help that specific party to gain its political goals as that party knew that gaining power is in federation will not be possible again but Sindh was as near to them as a palm of their own hand so to grab power with its full bloom in the province of Sindh was the original goal gained by the said Amendment. This qualitative research will point out areas where 18th Amendment is hurting the Federation and ultimately becoming the threat which could shake the roots of the Federation. In the end it contains some suggestion to fulfill the deficiencies.