The parade ceremony will be held after seven years and fearing a possible reaction of the Operation Zarb-e- Azb, stern security arrangements are being made across the capital.
Authorities on Monday decided that 41 seminaries in Islamabad will remain closed from March 18 to 24.
Sources told that the decision to keep the madaris closed was made in view of persisting security concerns.
The Pakistan Day parade will take place at Shakar Parian Ground or Kashmir Avenue on March 23, for which military contingents have already started their rehearsals.
The ceremony will be attended by the Chinese president as well as ambassadors and other dignitaries from 23 different countries.
The Pakistan Day parade was suspended due to worsened law and order situation of the country after 2007.