Red tape =  Excessive regulation or rigid conformity to formal rules; bureaucratic hindrance.

• There is a great deal of red tape involved in getting a work permit.
• Red-tape is the main reason why contractors are reluctant to undertake government contract works.

Be in the red = If you or your bank accounts are in the red, you owe money to the bank.

• I can’t afford a holiday this year.  I am 500 pounds in the red.
• we’re back in the red because sales are way down this quarter.
• The state is already rupees fifty crore in the red this year.
• opposite – be in the black.

Blue collar worker = a working class person who performs manual labour.

• The blue collar workers are on strike, but the office staff are still working.