I am Sarim from the city of Karachi. This incident took place during my last semester of engineering (BS) in the month of November 2011, now I have passed out.
Our semester exams were to start in a week, and we had this course Industrial Control Electronics which I found a bit difficult to understand and so did rest of the 5 guys in our group. We had this nerdy sort of a guy in our class, Ahsan Ahmed, who understood this course very well, securing the highest marks in the mid-term examinations as well. He finally agreed to help us on a few very important topics that were more than likely to come in the final exam of ICE paper. He called six of us to come over for a night stay so that he would help us with those chapters.
We got to his bungalow which is located in a pretty secluded area of karachi (manghopeer). I have been at his home for the very first time, it was a double story building, we entered the main gate and went upstairs to the second floor, which only had a study room and and big veranda.
We got in and put away our bag packs. One of my friends, Shezad Burki, is a cigarette addict so, as usual, he took out his pack of smokes and lit up one before we could proceed with the studies. In the meantime, we started joking around, playing mp3 songs on our cell phones and trolling each other, making pretty loud noises. Ahsan kept telling us to keep our voices low again and again which we ignored.
After about 30 minutes we started studying at 1:00 am and carried on continuously for about 2 hours and 20 minutes when Shezad insisted us to take a break so that he could smoke a couple cigarettes So we halted the studies for a while and again started trolling eac other and playing mp3 songs at high volumes. Ahsan again told us not to make any noises, and keep our voices down but we didn't care.
Suddenly I heard a bang on the door as if something struck the door, which I ignored since it wasn't that loud. After about a minute or so, it was like bang bang bang (pretty fierce this time) felt like somebody was throwing stones at the door with great force. All seven of us in room heard it this time. We all were staring at each others faces, startled and having no clue who could it be at 3:20 am in the morning. I asked Ahsan if it could be someone from his family, but he said no one would be awake in his house at that time. Then again it started bang bang bang bang bang even more fierce this time than before. We could also hear the sound of rolling stones after they struck the door.
It continued for about 2 minutes without a break and we all stood there in silence awaiting what would happen next. When finally it stopped for about a minute, Ahsan got up and rushed towards the door. He held the door lock and then left it the next second crying in pain and saying it is too hot. I went towards the door and touched the door lock with a finger and yes it was hot enough to fry an egg.
After that we all moved away from the door. The banging sound on the door would happen randomly and then stop. This went on until about 5:00am, when we heard Ahsan's father shouting,"Ahsan,it's time for prayers" and he opened up the door without any problem.
I can't tell you how happy we were to see him open the door, blood again started to flow in our veins. We picked our bag packs and just rushed out of the room. As we descended the stairs we all looked back at door to find the piles of stones outside the doors but were amazed to found not even a single stone there. The door was scratchless.
Ahsan's father didn't hear any such bangings during the night when we inquired nor did his mother or any of his siblings. We still can't figure out what happened that night, but yeah I passed my Industrial Control Electronics with a 3.3 Gpa.