1) i PREFER YOU TO GO BUS YOUR OWN VEHICLE.
BUT SOME IMPORTANT POINTS U HAVE YOU SHOULD FIRST THINK OFF.
A) I DON'T KNOW ABOUT UR MOTHER AGE, CAN SHE TRAVEL BY ROAD SITTING FOR SOO LONG ?
ans. yes she can travel easily.
B) DOES YOUR BROTHER KNOW HOW TO DRIVE THE CAR, BECAUSE I PREFER YOU TO HAVE 2 DRIVERS AS YOU ARE NEW TO HIGHWAYS AND LONG DRIVE
ans. No my brother cant drive he even dnt know how to put gears... only me and my mother can drive... but she cant drive on highway so i have to do it all the way... i love driving and i really enjoy on long journey no issue for me.
C) IN WINTERS YOU MIGHT FIND FOG AT MANY PLACES, SO U MUST HAVE YELLOW BULB IN HEADLIGHT OR YOU CAN PASTE YELLOW TRANSPARENT PAPER ON LIGHT, IT WILL HELP U TO DRIVE IN FOG.
ans. My current bulb are yellow one and i have also installed fog light (yellow color) on bumper. I think they are enough ?
D) IF YOU LEAVE EARLY AT 4 AM SO THEN IF U DRIVE AT AVG SPEED TO U WILL BE AT
SUKKHER @ 11 AM
UBARO @ 12:30 PM
RAHIMYAR KHAN AROUND @ 4 PM
BHAWALPUR AROUND @ 6:30 PM
MULTAN AROUND @ 9 PM
I PREFER YOU TO STAY AT RAHIMYAR KHAN ( I DON'T KNOW THE HOTELS THERE)
Ans. I'm planning to stay at Bhawalpur or Multan
THEN LEAVE AROUND 7 FROM RAHIMYAR KHAN AND BY PASS MULTAN FROM LODHRAN AND REACH KHANEWAL AND THEN LAHORE AROUND 3 PM
AS YOU ARE THE ONLY DRIVER SO TRAVELLING SOO LONG ALONE MIGHT BE VERY TIRING FOR YOU. AND DUE TO SUGARCANE SEASON MIGHT GET SOME TRAFFIC JAM DUE TO TRACTOR TROLLEYS IN A LONG LONG LONG LONG LONG LONG QUE OUTSIDE SUGARS MILLS.
AND BE AWARE WHILE DRIVING AS THEY DO NOT HAVE ANY LIGHTS AT THEIR BACK AND YOU CAN NOT SEE THEM FROM FAR BEHIND.
Ans. Thanks for advise i will keep this in my mind when i saw a sugar cane tractor.
YOU MUST NEED THE DOCUMENTS, I PREFER YOU TO MAKE YOUR DRIVING LICENCE, AS HAVING ALL DOCUMENTS WILL HELP YOU IN ANY PROBLEM.
Ans. I will make proper license, CPLC NOC, Highway Insurance ACLC certificate (my car is not on my name so i think there is a certificate they issue dnt know exactly). Original CNIC, Original Book, Map, Highway code Book, Tax Receipt.
YOU SHOULD HAVE PROPER SPARE WHEEL AND YOU VEHICLE SHOULD HAVE PROPER BRAKES AND WHEEL ALIGNMENT AND BALANCING.
Ans. Yes Already done 
FOR FUEL, ACCORDING TO ME IT WILL COST U LIKE BELOW
kHI TO LHR (MAXIMUM 1350 kM APPROX)
LHR TO KHI (MAXIMUM 1350 kM APPROX)
TOTAL HIGHWAY DRIVE 2700 KM
IF U DRIVE WITH WITH SLOW PEDAL AND YOUR CAR GIVE AVERAGE OF 13 kM /LITRE (AVERAGE MIGHT BE MORE BUT CONSIDER ON LOWER SIDE)
2700KM / 13KM/LITRE = 208 ROUND OFF 210 LITRES OF PETROL U NEED
210 LITRES * RS 82/LITRE (APPROX) = TOTAL RS 17,500/= (HIGHWAY DRIVE COST)
ans. My budget for Fuel, Toll and stay for night for khi-lhr-khi is PKR 25,000/-
IF U TRAVEL BY CAR THEN
RS 17,500 + LOCAL DRIVE IN CITY + CAR MAINTENANCE AFTER U COME BACK + WHEEL BALANCING AND ALIGNMENT COST = YOUR TOTAL JOURNEY COST
IF U TRAVEL BY TRAIN
6000 RETURN TICKET
6000*4 PERSONS = RS 24000 FOR TICKETS ONLY
RS 24000 + OTHER LOCAL TRANSPORTATION FROM CITY TO CITY AND WITHIN CITY ON PUBLIC TRANSPORT + HECTIC + TIME WASTE= TOTAL COST.
Ans. My family also dont want to travel by train
but they also dnt want to go with me on such long journey but I'm making there mind almost 70% succeeded.
YOU CAN CALL ME IF U NEED ANY FURTHER INFO.
BUT PLZ MSG ME BEFORE CALLING. 03212585108
Ans. Thanks alot brother i will surely text you if I need any help 