Performing a simple procedure discovered by a British doctor, the Himalyana Cataract Project is restoring sight to thousands across India.
Sanchin Tendulkar, who retired from international cricket, is the first sportsman to be bestowed with India's highest civilian honour.
Adulated at home and admired across the world, cricket legend Sachin Tendulkar battles for India today in his final test before retirement
Indian cricket legend Sachin Tendulkar is not out on 38 runs at the close of play in his 200th and final Test.
Indian cricket legend Sachin Tendulkar has come out to bat for his country in his 200th and final Test.
The batsman is the record run-scorer in Tests and one day internationals.
India are playing the West Indies in a two-match Test series and are currently leading 1-0.
They bowled the West Indies out for 182 in the first innings of the second Test and are currently on 77/2.
The Prime Minister is leading a UK business delegation to the country as he seeks to boost trade with the rapidly emerging economic power.
Mr Cameron will then head to the Commonwealth summit in Sri Lanka tonight which has been overshadowed by controversy over the hosts' human rights record.
Former Australian spin bowler Shane Warne has tweeted:
Here's some answers to your questions.. He was the best because of the way he judged the length of the ball so quickly.
Sachin's best innings I saw was 98 in Chennai ! I got #sachin out in the 1st innings for 4. Then he made 155 & helped India win the test.
David Cameron has sent Sachin Tendulkar a picture of his first century in the UK as the Indian cricket legend plays his 200th and final Test match of his illustrious career.
The message on the picture from the Prime Minister said: "From the first of 100 centuries to your 200th and final Test - congratulations on a career that will inspire millions for generations to come."
The 200th and final Test match of Indian cricket legend Sachin Tendulkar's career has begun in his home city of Mumbai.
The 40-year-old has enjoyed a career that has spanned nearly a quarter of a century, in which time he has become the record run-scorer in Tests and one day internationals.
The batsman will retire from all forms of cricket after India's second Test against West Indies.
After Tendulkar announced his retirement, there was an outpouring of emotion from the cricket-loving nation and protests when only 5,000 of 33,000 tickets for his final Test went on sale to the public.
Prime Minister David Cameron is due to announce Indian car manufacturer Mahindra Group will open a site in Warwickshire, creating 250 jobs over the next three years.
The firm will make an initial £2 million investment in the project with UK engineering consultancy group Ricardo.
The Prince of Wales has visited a unique mosque today that is one of Mumbai's most important religious and tourist attractions.
Charles, who has a deep interest in Islamic art and culture, was given a guided tour of the Haji Ali Mosque, built on a small outcrop a few hundred metres from the Indian shoreline in the city formerly known as Bombay.
It is part of a wider complex that contains the resting place of the Muslim saint Pir Haji Ali Shah Bukhari.
During his visit the Prince was shown ongoing restoration work to conserve the monument that has been damaged over the years by sea water.
Charles and Camilla are currently on day six of their visit to India.
The Prince of Wales and the Duchess of Cornwall joined a host of Bollywood stars at a black tie charity fund raising dinner on the fourth day of their eleven day tour of India and Sri Lanka.
Charles and Camilla rubbed shoulders with famous Indian actor Gulshan Grover, Ajay Devgan - an action hero star of more than 80 Bollywood hits - and his wife Kajol Devgan, one of India's most successful actresses, as well as veteran Indian cricketer Rahul Dravid.
The dinner was staged by the India Advisory Council of Charles's charity the British Asian Trust (BAT), and was hosted by the world's wealthiest Indian, Mukesh Ambani and Ratan Tata, whose family trust company owns Jaguar Land Rover and Corus steel.
The black-tie do promoted the work of the BAT, which was formed in 2007 to help channel donations from UK Asian philanthropists to good causes in the Indian sub-continent.