Sec.144 notifications are issued under Cr.PC  to maintain public order and peace. 
It prevents people from forming assemblies and gathering.
But such order expires after 2 months which is maximum limit for which such notification can be issued.
Law in this regard is discussed in Himat Lal K Shah Vs. Commissioner of Police, Ahmedabad in 1973 (1) SCC 227
Haresh Raichura 
22/12/14  
Copyright : Haresh Raichura 2014. All Rights reserved.