Emails show hundreds of companies paid bribes to Unaoil to secure contracts in the Middle East and Africa.
The offices of IVRCL have been sealed and police are due to question bosses at the company's HQ.
IBTimes UK rounds up the best - and worst - April Fools jokes and pranks.
Met Police say man was run over near junction 28-29 after he crashed his car into central reservation.
The company is calling it the Internet of Trousers Fashion Range.
The hacktivist group takes down over 20 government websites.
Raid hits school and hospital in Deir al-Asafir near Damascus, killing 12 children.
This follows cancellation of flights in the UK earlier this week due to Storm Katie.
Students were transported to and from school for 2 days before explosive material found.
Prosecutors say they have found 'concrete clues' of embezzlement from companies owned by fund.
The province bans the production, distribution and sale of alcohol with effect from 1 April.
Crisp allegedly shoved mom-of-2 Sheneik McCallum to the ground twice during a heating argument.
Two civilians were also injured during the shooting.
Ex-IPCC chair harged with sexual harassment earlier in March after a woman made a complaint last year.
Saga al-Dulmaimi married al-Baghdadi in 2008 when he was a university lecturer and they have a daughter
Daniel France, 38, from Ravensthorpe is the latest person to have been found dead.
Unsterilised instruments used in cataract surgery leaves several people without vision in Brazil.
The history of April Fools' Day, on 1 April, dates back to the transition from Julian to Gregorian calendar.
George Osborne adds 3% to basic stamp duty rates for all purchases of additional property.
Communities and Local Government Committee calls for law to force councils to develop local plans.
National Living Wage will come into effect on Friday 1 April meaning workers aged 25 and over will be paid £7.20 an hour.
The lower league club digitally altered a team photo to send a message against racism.
A Turkish restaurant in Canary Wharf is hoping to change the image of kebabs with premium product.
Behind the selfies and smiles, passengers and crew were terrified, the EgyptAir co-pilot has said.
The institution in Dewsbury, Yorkshire runs an after-school madrasa and full-time courses for adults.
Lionel Messi sparks outrage in Egypt after donating football shoes on TV for charity auction.
The woman reportedly stepped into the shaft – but the lift wasn't there.
Social media users condemn video of child seen behind the wheel speeding on a Saudi highway.
Diyarbakir is in a region where Kurdish militants often mount attacks, but Isis are also suspects.
At least 70 people have been taken to hospital with injuries as the death toll continues to rise.