Related Rule
India
Practice Relating to Rule 12. Definition of Indiscriminate Attacks
Section C. Attacks whose effects cannot be limited as required by international humanitarian law
In its written statement submitted to the ICJ in the Nuclear Weapons case in 1995, India stated that indiscriminate attacks are generally defined as including “those with effects which cannot be limited”. 
India, Written statement submitted to the ICJ, Nuclear Weapons case, 20 June 1995, p. 3.