This is what needs to be done and what WE can do:
1. Like Ammar said, the responsibility is with us so we need to straighten up our act and start living by the rules that were set for us by our beloved Prophet (PBUH). That means praying on time, planning our day around the prayers, being truthful, not paying or receiving bribes, not dealing in interest, not trying to save the zakat we owe and taking the time out to pay it to the rightfully needy and so on, you get the drift. This may be easier than it sounds or it might sound like rhetoric but until we truly start doing this in letter and spirit, it won't mean a thing, it won't change a thing. Start with yourself, your wife, your parents, your siblings one family, one neighborhood, one town, one city and eventually a country!
2. For god's sake VOTE. Register your vote and your family's vote. The person who works at your home and his/her family, everyone you can get your hands on. If all else fails, people like you and me need to come out on the streets and protest but till we have hope that change can happen within the system, we should try for it. So please let go of what your fathers and grand fathers and families have believed in for the past 60 years as far as political affiliations go and break the mold. Basically vote for Imran Khan. We can debate all day long but all of us know he's the last real hope we have at a glorious Pakistan. Don't get caught up in "the system won't let him change a thing" let him try for once...... I'm not one fro creating messiahs but history is witness that in bleak times, hope is what gets man through.
3. On a personal front, do as much charity as you can and spread messages of peace, patience and hope to everyone you meet or talk to. Project the positives of Pakistan for once and forget the negatives, you'll be amazed at the energy positive thinking and speaking can bring to you and imagine what it can do to a nation if adopted collectively.
4. What the mullahs need to do. I'm not speaking about the terrorists but your everyday maulvis, imams of mosques, ameers of our different factions. Since the onslaught of bad times, basically since the lal masjid fiasco, these mullahs had a collective responsibility of spreading messages of peace and reminding people to mend their ways. Every Friday sermon should be used as an opportunity to do a collective tauba and people in general need to be reminded of repenting continuously both individually and collectively. They should do more than spread hate messages or anti America messages or coming on Alim online and addressing personal, specific masail. Come on TV and hold collective tauba sessions, if we can have donation telethons, we can have tauba telethons. They should be educating people on the minutest details of how to live according to the Prophet's (PBUH) ways. The first step to revival is acceptance of one's fault and asking of forgiveness from the supreme being.
5.The rest will fall in place, the police, the education, the health, the judiciary etc etc. You ask how, well firstly if everyone will have adopted the ways of the Prophet (PBUH) then there really shouldn't be a problem. Secondly, if you have an honest man leading you trying to get your institutions corruption free, then you shouldn't have a problem. Once you create a positive environment, creativity, investments and brains follow. Our institutions are victims of politics and the age old system of associations and loyalties to kinfolk being stronger than loyalties to religion or the state. In order for you to get elected you make promises to your people of jobs and economic security. Once you get elected if you don't follow through, you lose face and/or you lose support of your people hence you have to hand out jobs to the undeserving. now multiply that problem at the national scale and you have Pakistan.
I have more where that came from, so lets stop talking and start DOING.
They say "Pakistan needs to regain its glory days". I say what glory days, we never had those. Zawal uss cheez ka hota hai jo kabhi bulandi par gayee ho, we've never reached the top yaar..... we're still fighting amongst ourselves. So the question should be: "How high is high for Pakistan"