Should i get my Petrol Screen cleaned?
It's only the first tuning (no need)
Should i get my Valve clearance checked?
Yes, they would do it automatically without you telling them (tappet adjustment)
Oil filer screen cleanup?
if i am not mistaken you have to open the right crank case, drain the oil, remove the gasket and than you can remove the filter screen (not recommended for at least 10k kms at least)
Engine idle speed?
should be fine, about 1500RPM
Air cleaner?Clean or replace?
They would use compressed air for cleaning it (blower type). If you want to replace it, it's your choice.Shouldn't cost more than Rs60.
Drive chain lubrication?Which oil do service centers normally lubricate with?
Again part of tuning,(chain tightening). They use old engine oil
Break/clutch wires lubrication?
Standard procedure in tuning
Nut bolts tightening?
Note:Except Zic i haven't seen any with JASO-MA rating
Clutch adjustment if freeplay is more.(Less freeplay=->better shifting)