The seventh-seeded Bulgarian advanced to his eighth ATP World Tour Masters 1000 quarter-final with a 6-3, 7-5 victory over Del Potro, who struggled with the intense heat in the closing stages of the one hour, 39 minute match.
Other than the Cartosat-2 series satellite, the PSLV is carrying 29 nano satellites from 14 countries - Austria, Belgium, Chile, Czech Republic, Finland, France, Germany, Italy, Japan, Latvia, Lithuania, Slovakia, the United Kingdom and the United States of America besides a nano satellite from India.
Five-time world champion Viswanathan Anand continued his fine form to outwit Anish Giri of Holland and move into the sole lead after the end of the second round of Zurich Chess Challenge, in Zurich, on Sunday.
Novak Djokovic urged people to think about Brazilians who are having to live with the Zika outbreak on a daily basis rather than worrying about how the situation might affect those travelling to the country for the Rio Olympics in August.
PHOTOS from day seven of the Wimbledon championships at the All England Lawn Tennis in London on Tuesday.
A fired up Naomi Broady let her racquet do the talking as she stormed back to beat Jelena Ostapenko in an ill-tempered Auckland Classic clash marred by an on-court row after the Briton called for the Latvian to be disqualified.
Ministers will travel to different countries across the world, mostly where no ministerial visits have taken place in the last 20 to 25 years, to establish 'sampark' (contact) and 'samvad' (communication).
Bernard Tomic is set to sit out the Australian Open after Tennis Australia (TA) decided not to award him a wildcard to the main draw, the organisers said on Thursday.
Images from matches played on Day 5 at the Australian Open in Melbourne Park on Friday
The declaration also names Pak-based terror groups like LeT and JeM.
Images from matches played on Day 4 of the Australian Open at Melbourne Park on Thursday
The Russian Athletics Federation (ARAF) said on Monday four athletes had tested positive at the Russian Winter Indoor Athletics Championships in February.
Russian tennis star Maria Sharapova, the highest-paid woman in sports, said on Monday that she failed a drug test at the Australian Open due to a substance she has been taking for 10 years for health issues.
Cristiano Ronaldo converted one penalty, missed another and also scored from open play as Portugal beat Latvia 4-1 in their World Cup qualifier on Sunday. On a typically dramatic night for the Portugal captain, Ronaldo fired the European champions ahead from his first spot kick of the evening in the first half, but missed a chance to double their lead when his second effort struck the post.
Former world number one Andy Murray withdrew from the Brisbane International with a hip problem on Tuesday, further putting in doubt the Briton's prospects of being fit in time for the Australian Open later this month.
'Surely, Syrian President Bashar al-Assad will not be able to pay or compensate the Russians for deployment and use of Russian men and equipment,' says Brigadier S K Chatterji (retd).
Here's Lonely Planet's list of cities to travel to in the coming year.
Photos from matches played at the US Open in Flushing Meadows on Sunday
Victory for the Netherlands in Friday's Euro 2016 qualifier in Latvia would have been seen as practically guaranteed after a successful World Cup in Brazil but a faltering qualifying campaign has precipitated a confidence crisis.
It was the first time the US had beaten the Dutch whose defeat continued a run of mediocre results since they came third at last year's World Cup. It will also heap the pressure on them ahead of next week's vital Euro 2016 qualifier away to Latvia.
US Attorney General Loretta Lynch declined to comment at a press conference on Wednesday on whether FIFA President Sepp Blatter is under investigation as part of a probe by US authorities into the soccer organisation.
Second-half goals to gave them a 2-1 win over debutants Latvia in Group D match.
The income inequality gap was found to be highest in South Africa and lowest in Denmark.
50 million people are not connected to the cyber world in the US.
'The suspicion of doping will hang over numerous men and women players including the elite stars,' says Desh Gaurav Chopra Sekhri.
These photos prove we live in an odd, odd world!
Maria Sharapova's contentious and captivating US Open run came to an end on Sunday when Latvia's Anastasija Sevastova beat her 5-7, 6-4, 6-2 to reach the Flushing Meadows quarter-finals.
Portugal captain Cristiano Ronaldo struck his fifth international hat-trick, including a spectacular volleyed opener, to lead the European champions to a 5-1 win over the Faroe Islands in their World Cup qualifier on Thursday.
India's Leander Paes and his German partner Alexander Zverev went down to the Spanish duo of Feliciano Lopez and Marc Lopez in a men's doubles first round match to bow out of the Cincinnati Open.
The filmmaker is known for his penchant for travelling.
Images from all the action from Day 1 of the Wimbledon on Monday.
Roger Federer survived a second-set hiccup to beat Dimitry Tursunov of Russia 7-5, 6-7(7), 6-2, 6-4 on Friday and reach the French Open fourth round. The Swiss fourth seed will meet Ernests Gulbis of Latvia in the last 16.
'Sharapova has been a US resident since early in her career, which does bring in a question of how or why she is using a drug that is not licensed there'
Cristiano Ronaldo scored two stunning goals and took his international tally to 70 as he led Portugal to an emphatic 3-0 win over Hungary in a World Cup qualifier on Saturday.
Ten days of athletics competition at the Rio Olympics begin on Friday. Check out the 10 events not to miss at the Olympic Stadium.