He has also made it clear that the party will have to suffer the consequences of internal strife coming to the fore ahead of the Lok Sabha polls.
Back channel efforts were underway to bring him around, BJP sources said, but the veteran leader showed no signs of relenting.
Training his guns on BJP president Rajnath Singh who said the 76-year-old leader's services will be utilised appropriately, Jaswant Singh retorted, "I am not a piece of furniture. The choice of the adjective 'adjust' itself is indicative of the mentality. You cannot adjust with principles and it is insulting".
Jaswant Singh is, however, not resigning from the party yet and said he would consult his colleagues before taking that decision.
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"Yes, I am filing my nomination papers tomorrow from Barmer. Independent or not, will depend on the party's attitude," he told PTI when asked whether he would contest despite denial of a ticket from his home constituency.
"If I am not emotional about my home and my political party, then what am I going to be emotional about...If the party decides to talk to me, they know my numbers and how I can be reached. Since I came here, nobody has tried to reach me," he said today, putting the onus of preventing his exit on the BJP.
"He must accept the decision with a smile. This becomes a test of his loyalty and discipline. Restraint and silence are always a preferred option. Over-reaction may prove be a transient storm in a tea cup. Silence is always dignified and more gracious," Jaitley said.