Ousted Bangladesh Prime Minister Sheikh Hasina's son and adviser on Tuesday described allegations of corruption involving the family in the 2015 awarding of a $12.65 billion nuclear power contract as "completely bogus" and a "smear campaign".

Indian companies are participating in constructing the Rooppur nuclear power plant, which is being built by Rosatom, Russia's state-run corporation in Bangladesh.

The Rooppur Nuclear Power Plant, Bangladesh's first nuclear power plant, is being constructed 160 km west of Dhaka, with significant involvement from Indian companies.

Bangladesh's anti-corruption authority has begun investigating former PM Sheikh Hasina and relatives over a USD 5 billion misappropriation at the Rooppur nuclear power plant. Involving Russian and Indian collaboration,