The year-long celebrations to mark 150 years of India's postal system start on October 4.
Karat has said the EC should not have admitted the complaint.
The PM's 'Day at Sea' will be on Friday off the Goa coast -- accompanied by his wife Gursharan Kaur, Defence Minister Pranab Mukherjee, Home Minister Shivraj Patil and others.
Minister of State for Home Affairs Kiren Rijiju on Wednesday flew in a Sukhoi-30MKI supersonic fighter jet of the Indian Air Force from the Halwara airbase in Punjab.
President Abdul Kalam and Union Home Minister L K Advani will call on him on Friday.
Afzal had sought review of the judgment saying that he did not a get fair trial.
Concerned over the plight of 220 million people living below poverty line, President A P J Abdul Kalam on Friday suggested increasing of overall GDP growth rate to 10 per cent and maintaining it for a decade.
About 43 MLAs and 200 MLAs have been named.
The interceptor is a 7.5-metre long single stage solid rocket propelled guided missile equipped with a navigation system, a hi-tech computer and an electro-mechanical activator, the DRDO sources said.
While Prime Minister Narendra Modi said Kalam had left an irreplaceable void, Union Urban Development Minister M Venkaiah Naidu said the Centre has decided to include Rameswaram in AMRUT by relaxing norms as a tribute to the former president.
In his message for Id-ul Zuha, Kalam said it is indeed a day of remembrance of the great sacrifice and a thanksgiving day to the Almighty who has bestowed everything to humanity.