Chandigarh:A professor taught 'formulae of love' to students a women's college in Haryana's Karnal district. The video of professor teaching love formulae had gone viral on the internet. The professor was later suspended from the job. 

In the video, Professor Charan Singh was seen writing formulae on the 

board,'closeness - attraction = friendship', closeness + attraction = romantic love'. And it did not end here the last formulae was, 'attraction - closeness = crush'.

 The professor can be  seen teaching the method in Hindi in video and he also mentioned that attraction ends once between husband and wife in old age and they become good friends. 

A student recorded the class on her mobile phone while the teacher was teaching and later showed it to the college's principal. The students in the video can be heard laughing while the professor is introducing the new formula of the love. 

According to a report, the professor was identified as Charan Singh, who also wrote a written apology to the students but was suspended from the job.