Outside support has always been a danger for the smooth working of the governments. If the President assertively persuades the parties concerned extending outside support to join the government, then such type of most unfortunate situations could have been avoided. If Rajiv Gandhi's party had joined this government, this crisis would not have occurred.
When Congress Party withdrew outside support to Chandra Shekar who had to resign having lost majority in the House - Commissions and Omissions by Indian Presidents and Their Conflicts with the Prime Ministers Under the Constitution: 1977-2001