Of the 872 MiG series fighter aircraft purchased by the government till 1980, a total of 482 planes have crashed till now, killing 171 pilots and 39 civilians, government told the Rajya Sabha on......
People speak for ltpp
Q. What is performance grade Bitumen. This Bitumen is being used in Road, Airport constructions : A. Performance Grade(PG) bitumen is a bitumen which is graded based on its performance at different temperatures. The LTPP has given certain algorithm...... more