While the Congress, Trinamool Congress, RJD, Samajwadi Party and Left parties announced they would not attend the special celebrations announced by the government, the JD(U) said it would leave the decision to its MPs.
The Congress, in an all-out attack on the meet convened by the government, called it a "grand self-promoting tamasha (gimmick)" to gain publicity.
The party also accused the government of "insulting" India's freedom struggle, as the previous three midnight functions held in the central hall of Parliament were related to the country's independence.
"The Congress party will not participate in the special midnight meeting on the implementation of the GST," senior Congress leader Ghulam Nabi Azad asserted.
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But the JD(U) walked a tightrope, and said it had left the decision to its MPs, even as its two allies in Bihar announced they were staying away from the GST celebrations.
The Nitish Kumar-led party, sources said, was earlier in support of attending the event, but was wary of further alienating its allies, the Congress and the RJD, since it had already created a rift in the bloc with its decision to support the NDA's presidential candidate.
He said the party supported the GST, but had left it to its MPs to decide whether they wanted to attend the event.
Azad took a potshot at the BJP, implying that it had little to do with India's freedom movement. While the Congress party "accords a lot of importance" to the independence movement, the struggle may not be as significant for the BJP since "they had no role" in it, he said.
He pointed out that midnight events in Parliament had been linked to India's Freedom - the first was in 1947 to mark India's independence, then in 1972 to commemorate its silver jubilee and in 1997 for 50 years of independence.
Lalu Prasad's Rashtriya Janata Dal toed the Congress line, and said it would not be present in Parliament tomorrow.
The Left parties, too, have opted out, CPI leader D Raja said.
"The Left will not participate in the midnight GST meeting. People are agitating across the county. There are serious apprehensions in the minds of people over GST's implementation. We cannot celebrate when people are agitating," the Rajya Sabha member said.
"They (the government) are doing this in a hurry without giving it proper time," Reddy told PTI here.
CPI(M) general secretary Sitaram Yechury said he would not attend the midnight meeting.
He, however, said while his party was not boycotting the meet, it had also not issued a whip to its MPs on this.
When a party issues a whip, its MPs have to follow the party position or face disciplinary action. So in not issuing a whip, the CPI(M) would indicate that no action would be taken if the party's MPs chose not to join the gathering.
The Congress said it was opting out for another reason -- "the continued silence" of the prime minister, the BJP and its chief ministers over recent incidents of violence in the country.
"Cases of violence, lynching, atrocities on the poor, Dalits, farmers and women are on the rise," Azad said.
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