PAC Political Affairs Committee; Public Accounts Committee
PACER Programme for Acceleration of Commercial Energy Research
PAN Permanent Account Number (of Income-Tax)
PATA Pacific-Asia Travel Association
PCI Press Council of India
PCS Public Civil Service; Punjab Civil Service
Ph.D Doctor of 'Philosophy
PIB Press Information Bureau
Pin Code Postal Index Number Code
PIO Persons of Indian Origin
PLO Palestine Liberation Organisation
PLF Plant Load Factor
PM Post Meridiem; after-noon; also Postmaster; Prime Minister; post-mortem (after death)
PMG Postmaster General
PN Participatory Note
PO Post Office; Postal Order
POPs Persistent Organic Pollutants; Point of Purchase
POTA Prevention of Terrorism Act
POW Prisoner of War
PP Public Prosecutor; Particular Person
PRO Public Relations Officer
PS Post Scriptum; Post Script; written after
PSC Public Service Commission
PSE Public Sector Enterprises
PSLV Polar Satellite Launch Vehicle
PTA Preferential Trade Area
PTI Press Trust of India
PTO Please Turn Over; Privilege Ticket Order
PUFA Poly Unsaturated Fatty Acids
PVC Param Vir Chakra
PVSM Param Vishisht Sewa Medal
PWD Public Works Department
PWG People's War Group