Israeli President Reuven Rivlin must choose who will form the next government and is expected to pick Netanyahu to do so on Wednesday night after final election results are announced.
Iran is Israel's main enemy and Netanyahu spoke out strongly against the 2015 nuclear deal between Tehran and world powers.
His comments come just days before the closely-fought April 9 poll and could be seen as an appeal to rightwing voters, who do not believe in the feasibility of a peace agreement with the Palestinians.
Calm prevailed throughout Tuesday, with Hamas claiming Egypt had brokered a ceasefire, but as night fell Israel said a projectile was fired from Gaza around 8:00 pm
Netanyahu, who rejects all accusations, was due to speak at 1800 GMT and his right-wing Likud party called the allegations "political persecution.
The Israeli parliament, the Knesset, last year passed legislation to partially withhold funds, in response to PA payments to families of Palestinians jailed by Israel for attacks against Israelis.
Netanyahu could be visiting India in February or March.
Al-Qaeda in the Islamic Maghreb claimed responsibility for the attack, saying it was in reaction to the visit to Chad by Israeli Prime Minister Benjamin Netanyahu.
Moscow has been accused of seeking to influence various elections around Europe -- and the US presidential poll in 2016 -- through disinformation campaigns.
The Brazilian leader’s public backing of Israel and his outward antipathy towards the Palestinians mean, he is a reliable partner.