We pakistani nation are very unique from rest of planet, we hate our enemy and we love our friends in an extreme level.
We dont have neutral perception about any country. You are either our friend or foe. I dont know about others but i feels this way.
And the reason why we hate our neighbor is because of some obvious reasons, and
few of it are mentioned below:
___________________________________________________________________________
(1) Kashmir
The biggest reason is kashmir. We Pakistani thinks that Kashmir is our integral part and so does india. So this kashmir issue is the biggest problem which becomes hurdle between both nations. And i believe that we wont be able to improve our relation as long as kashmir issue is unresolved.
(2) Disrespecting our heros
Second reason is that they dont respect our heros, for an instance Quaid-e-Azam, i have came across many indians in this forum who use to bash jinnah by saying that he was actually the person who was responsible for the causality of innocent lives on large scale during partition. But obviously this has nothing to do with reality. They are just showing their anger over Jinnah for creating a islamic country on this region.
(3) Dont recognize our country
Many politicians of india have released a very sensitive statements regarding Pakistan that its an artificial country and is part of India. So basically they dont even recognize our country.
(4) Bashing Pakistan
This should not be surprising thing as we all know that india runs on bashing & criticizing Pakistan on daily basis. They actually have a very bad habit that if some thing bad happens in their country they blatantly accuse Pakistan for it.
(5) Hatred in India for Pakistan
Each and every indian have immense amount of hate for Pakistan. It can be seen in their media where the channel gets the rating on basis of spreading hatred against Pakistan. Their media in multiple times have accused Pakistan for something which we havent done plus they push their government to take some bold step against Pakistan.
Coming down to politicians, those politicians who spew more hate speeches against Pakistan are considered as worthy contender for PM or President seat.
Ultimately coming down to general public, i personally believes that indian people are nice, sweet and friendly. But problem is they have been brain washed to fullest by their media. They are filled with so much hate that a Pakistani student who went there in india was beaten for no reason.
(6) Hindu extremist groups or Anti Islamic activities or sentiment
We Pakistanis personally believes that india is a hindutva country and its not secular any more. And we believe that hindus are doing atrocities on our muslim brothers in that country. And we believe that india is against islam. Which can be witnessed from forcefully mass conversions of muslims into hindus which is going on currently. And because of demolition of babri mosque and killing of innocent muslims in gujarat.
(7) Modi
We believe that modi is a terrorists and have killed muslims in gujarat and instead of being putting him behind bars, indian hindu public have selected him as PM.
(8) Sponsoring terrorism inside Pakistan
We Pakistanis have gathered and captured many evidences and their RAW spies for creating an anarchy in Pakistan. They are currently and directly supporting anti Pakistan organizations like BLA, TTP and etc
(9) 1971 incidence
Well we Pakistanis believe that india has broke our country on 1971. I know in this incidence we also played our part in breaking our country but still its the fact that without india, the 21 dec 1971 would be just an ordinary date for us it wouldnt be important for us if india wouldnt have intervened and attacked us when we were weak were indulged in civil war. This incidence has now become old but our wounds are still fresh and wanting to get revenge.
(10) Water issue
This is very important issue thats because as we know H2O is important but unfortunately our neighbors have made dams on our rivers (which was given to us on Indus water treaty) through which its manipulating the flow of water in such a way that during summers, we receives minimum amount of water but during monsoon season they opens the lid of their dams and then it causes mass destruction on our side.
And another thing is that they are changing the flow of the river which is violation of IWT, and which will lead for a deadly war in future which could end up becoming nuclear war.
(11) Proxies inside Afghanistan
During USSR and USA invasion, india remained silent spectator and didnt put forth hand to afghans for help but when the USA are about to leave this region, they indians are showing their interest inside afghanistan. Basically they are wanting to make Afghanistan their satellite state, which unfortunately they have made, so that they could destabilize and put pressure on Pakistan on both fronts.
(12) Funding private channels
India is funding our private tv channels to give an oxygen to their propaganda and to their culture in our country. The biggest example is Geo news, which in multiple times have played anti Pakistan role and damaged our interest.
(13) Destroying our culture by using films/dramas
Their dramas, films and even commercial are being broadcasted inside Pakistan to destroy our culture. They have first targeted our Film industries and then drama industries by suppressing them through broadcasting overwhelmingly list of dramas and films on our tv screens even in cinemas.
(14) Miss treatment to Pakistanis inside India
Pakistanis are being mistreated in india. For an instance, Pakistan hockey team which went there in india was misbehaved by crowds and the player of our blind cricket team was given acid to drink....and etc
(15) Unfair and polarization inside sports
The influence of india over ICC and now in FIH is very unfortunate for us as our neighbors have in many occasions have sidelined or cornered us in order to show supremacy over us.
(16) Trolling
I think i dont need to explain this point. 
