I wasn't going to respond but it was interesting to read everyone's views on here. Personally I'm not Indian and I live in America, but I can understand why some people are unwilling to comment or believe that kissing is restrictively held for marriage or for more of a serious relationship. I know in my culture it isn't as pressed about kissing, dating, and sex however, in my family i grew up in a more traditional than most and I wasn't allowed to date and etc. So, whenever I used to see classmates (and some friends) talking about kissing or that they had sex I was personally uncomfortable as sex before marriage was a big no-no within my family. However, I never judge them or said anything pertaining to their activites as long as their were being smart and were aware about being safe in whatever activity they were doing.
I personally believe kissing is up to the two people who are engaging in it. As long as the couple are both willing participants then there shouldn't be any issue. However, I wouldn't kiss someone unless it was a very serious relationship that I was in and would eventually lead to marriage. However, kissing is defined differently by others some see it as being a very intimate act while others just see it as something that isn't serious. It is really up to the person and how they view kissing in itself.