What is the 4-pronged approach Rajnath Singh shared with China for better ties?

What is the 4-pronged approach Rajnath Singh shared with China for better ties?

Defence Minister Rajnath Singh on Thursday met his Chinese counterpart Admiral Dong Jun on the sidelines of the Shanghai Cooperation Organisation’s meeting of defence ministers. The Indian leader, sharing a four-pronged approach with Dong for better ties, said both countries should seek a ‘permanent solution’ to the border dispute