1) Yes
2) As you have not rendered continuous service for a period of 5 years, TDS @ 10% is deductible. If you are NRI then TDS rate would be 10%+surcharge + cess(4%). Surcharge is Nil if PF amount is upto Rs. 50 lacs and net effective rate would be 10.4%. Income tax would be payable on Individual slab rate basis. You can opt for new tax rate regime.
3)
(a) You can file Form 15G if the tax on estimated total income of the previous year including pf withdrawal is NIL.
(b) (i) Payment received in respect to employers contribution and interest thereon will be taxable under the head salaries.
(ii) Payment received in respect to interest on employees contribution will be taxable under the head income from other sources.
(iii) Payment received in respect to employees contribution is NIL.
For detailed discussion, please take phone consultation.