I found technex and it seems like a land of dreams...
i only know that la trajectory is a aeromodelling competition but as their site crashes i am not able to know more about it like what is the competition exactly(i hope you got it)...
i also saw that it has drone competition and hovercraft that too held by IIT BHU and reliance so can someone enlighten me more about technex and la trajectory(i hope i spelled it right)...

will be really grateful...

Technex is the annual technical Fest of IITBHU. as you said, it is indeed quite a spectacular event.
Coming to La trajectorie (Pardon me if I spelled it incorrectly), it is their Aeromodelling Competition for Electric RC Planes. Having been there once, I can assure you that people there are awesome, they try their best to help you and get your aircraft going even if it is a bit incomplete or incorrectly built(for first timers).
In the competition, you'll have to bring your own RC aircraft (electric) to complete a set of tasks. the set of tasks and the guidelines for building the plane are reviewed every year and tend to change, but there will be sufficient time for building a good aircraft between the release of the Problem statement and the event date.
If you are new into the hobby, then this would be a very good opportunity to get deeper. all the best.

Thank you it indeed is great but can you tell me some examples of task??

Will be grateful to you...

Quote from: Mehul Anand on July 21, 2018, 06:53:46 AM
Thank you it indeed is great but can you tell me some examples of task??

Will be grateful to you...

Last year, i.e. in 2018 feb,
The building guidelines were,
- no dimension should be greater than 120cm
- T/W ratio should be less than 1 if excess thrust found, it will be neutralized by adding weight at CG.
- only electric motors can be used and no metal props.
- if any part gets detached, that will be considered the final touchdown point.

the tasks were as follows:
Round 1:
we had to perform maneuvers in the form of figure 8 in the horizontal plane at a particular altitude in a given time.
the ones who perform the most number of 8 s in the sky would go the next round
Round 2:
There were a set of 3 gates of different height. by passing through a gate, we'd get some points, in a given time, the one who scores the most points is the winner.

Hmmm..
Sounds great...