Make sure you keep the Service Manual with out and keep it in your hand and get everything adjusted/changed, following the Service Manual. They tend to skip a few things- i.e tightening Suspension nuts, checking brake and fuel lines etc.
You will need 3 bottles of gear oil- About 2.5 L will go in, the rest is yours to lubricate stuff at home with
Correct. It's about 500 Rupees for each Gear oil bottle- They have 2 varieties- One from ZIC and one from Shell. I used the Shell one.