The following are the possible causes for monsoon delay in India:
(1) El Nino
(2) Tibetan anticyclone
(3) Presence of Westerly Jet Stream south of the Himalaya during summer
(4) Shifting of ITCZ
1
1 and 3 are true
2
2 and 4 are true
3
1, 2 and 3 are true
4
1 and 4 are true